256222980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:180

約数の個数: 384

約数和(自身を含む): 965260800

約数和(自身を除く): 709037820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 19, 20, 26, 27, 30, 34, 36, 38, 39, 45, 51, 52, 54, 57, 60, 65, 68, 76, 78, 85, 90, 95, 102, 108, 113, 114, 117, 130, 135, 153, 156, 170, 171, 180, 190, 195, 204, 221, 226, 228, 234, 247, 255, 260, 270, 285, 306, 323, 339, 340, 342, 351, 380, 390, 442, 452, 459, 468, 494, 510, 513, 540, 565, 570, 585, 612, 646, 663, 678, 684, 702, 741, 765, 780, 855, 884, 918, 969, 988, 1017, 1020, 1026, 1105, 1130, 1140, 1170, 1235, 1292, 1326, 1356, 1404, 1469, 1482, 1530, 1615, 1695, 1710, 1755, 1836, 1921, 1938, 1989, 2034, 2052, 2147, 2210, 2223, 2260, 2295, 2340, 2470, 2565, 2652, 2907, 2938, 2964, 3051, 3060, 3230, 3315, 3390, 3420, 3510, 3705, 3842, 3876, 3978, 4068, 4199, 4294, 4407, 4420, 4446, 4590, 4845, 4940, 5085, 5130, 5763, 5814, 5876, 5967, 6102, 6441, 6460, 6630, 6669, 6780, 7020, 7345, 7410, 7684, 7956, 8398, 8588, 8721, 8814, 8892, 9180, 9605, 9690, 9945, 10170, 10260, 10735, 11115, 11526, 11628, 11934, 12204, 12597, 12882, 13221, 13260, 13338, 14535, 14690, 14820, 15255, 16796, 17289, 17442, 17628, 19210, 19323, 19380, 19890, 20340, 20995, 21470, 22035, 22230, 23052, 23868, 24973, 25194, 25764, 26442, 26676, 27911, 28815, 29070, 29380, 29835, 30510, 32205, 33345, 34578, 34884, 36499, 37791, 38420, 38646, 39663, 39780, 41990, 42940, 43605, 44070, 44460, 49946, 50388, 51867, 52884, 55822, 57630, 57969, 58140, 59670, 61020, 62985, 64410, 66105, 66690, 69156, 72998, 74919, 75582, 77292, 79326, 83733, 83980, 86445, 87210, 88140, 96615, 99892, 103734, 109497, 111644, 113373, 115260, 115938, 119340, 124865, 125970, 128820, 132210, 133380, 139555, 145996, 149838, 151164, 158652, 167466, 172890, 174420, 182495, 188955, 193230, 198315, 207468, 218994, 224757, 226746, 231876, 249730, 251199, 251940, 259335, 264420, 279110, 289845, 299676, 328491, 334932, 345780, 364990, 374595, 377910, 386460, 396630, 418665, 437988, 449514, 453492, 474487, 499460, 502398, 518670, 547485, 558220, 566865, 579690, 656982, 674271, 729980, 749190, 753597, 755820, 793260, 837330, 899028, 948974, 985473, 1004796, 1037340, 1094970, 1123785, 1133730, 1159380, 1255995, 1313964, 1348542, 1423461, 1498380, 1507194, 1642455, 1674660, 1897948, 1970946, 2189940, 2247570, 2267460, 2372435, 2511990, 2697084, 2846922, 3014388, 3284910, 3371355, 3767985, 3941892, 4270383, 4495140, 4744870, 4927365, 5023980, 5693844, 6569820, 6742710, 7117305, 7535970, 8540766, 9489740, 9854730, 12811149, 13485420, 14234610, 15071940, 17081532, 19709460, 21351915, 25622298, 28469220, 42703830, 51244596, 64055745, 85407660, 128111490, 256222980]

約数ペア:

[(1, 256222980), (2, 128111490), (3, 85407660), (4, 64055745), (5, 51244596), (6, 42703830), (9, 28469220), (10, 25622298), (12, 21351915), (13, 19709460), (15, 17081532), (17, 15071940), (18, 14234610), (19, 13485420), (20, 12811149), (26, 9854730), (27, 9489740), (30, 8540766), (34, 7535970), (36, 7117305), (38, 6742710), (39, 6569820), (45, 5693844), (51, 5023980), (52, 4927365), (54, 4744870), (57, 4495140), (60, 4270383), (65, 3941892), (68, 3767985), (76, 3371355), (78, 3284910), (85, 3014388), (90, 2846922), (95, 2697084), (102, 2511990), (108, 2372435), (113, 2267460), (114, 2247570), (117, 2189940), (130, 1970946), (135, 1897948), (153, 1674660), (156, 1642455), (170, 1507194), (171, 1498380), (180, 1423461), (190, 1348542), (195, 1313964), (204, 1255995), (221, 1159380), (226, 1133730), (228, 1123785), (234, 1094970), (247, 1037340), (255, 1004796), (260, 985473), (270, 948974), (285, 899028), (306, 837330), (323, 793260), (339, 755820), (340, 753597), (342, 749190), (351, 729980), (380, 674271), (390, 656982), (442, 579690), (452, 566865), (459, 558220), (468, 547485), (494, 518670), (510, 502398), (513, 499460), (540, 474487), (565, 453492), (570, 449514), (585, 437988), (612, 418665), (646, 396630), (663, 386460), (678, 377910), (684, 374595), (702, 364990), (741, 345780), (765, 334932), (780, 328491), (855, 299676), (884, 289845), (918, 279110), (969, 264420), (988, 259335), (1017, 251940), (1020, 251199), (1026, 249730), (1105, 231876), (1130, 226746), (1140, 224757), (1170, 218994), (1235, 207468), (1292, 198315), (1326, 193230), (1356, 188955), (1404, 182495), (1469, 174420), (1482, 172890), (1530, 167466), (1615, 158652), (1695, 151164), (1710, 149838), (1755, 145996), (1836, 139555), (1921, 133380), (1938, 132210), (1989, 128820), (2034, 125970), (2052, 124865), (2147, 119340), (2210, 115938), (2223, 115260), (2260, 113373), (2295, 111644), (2340, 109497), (2470, 103734), (2565, 99892), (2652, 96615), (2907, 88140), (2938, 87210), (2964, 86445), (3051, 83980), (3060, 83733), (3230, 79326), (3315, 77292), (3390, 75582), (3420, 74919), (3510, 72998), (3705, 69156), (3842, 66690), (3876, 66105), (3978, 64410), (4068, 62985), (4199, 61020), (4294, 59670), (4407, 58140), (4420, 57969), (4446, 57630), (4590, 55822), (4845, 52884), (4940, 51867), (5085, 50388), (5130, 49946), (5763, 44460), (5814, 44070), (5876, 43605), (5967, 42940), (6102, 41990), (6441, 39780), (6460, 39663), (6630, 38646), (6669, 38420), (6780, 37791), (7020, 36499), (7345, 34884), (7410, 34578), (7684, 33345), (7956, 32205), (8398, 30510), (8588, 29835), (8721, 29380), (8814, 29070), (8892, 28815), (9180, 27911), (9605, 26676), (9690, 26442), (9945, 25764), (10170, 25194), (10260, 24973), (10735, 23868), (11115, 23052), (11526, 22230), (11628, 22035), (11934, 21470), (12204, 20995), (12597, 20340), (12882, 19890), (13221, 19380), (13260, 19323), (13338, 19210), (14535, 17628), (14690, 17442), (14820, 17289), (15255, 16796)]