256507020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 384

約数和(自身を含む): 1032192000

約数和(自身を除く): 775684980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 31, 33, 35, 36, 42, 44, 45, 54, 55, 60, 62, 63, 66, 70, 77, 84, 90, 93, 99, 105, 108, 110, 124, 126, 132, 135, 140, 154, 155, 165, 180, 186, 189, 198, 199, 210, 217, 220, 231, 252, 270, 279, 297, 308, 310, 315, 330, 341, 372, 378, 385, 396, 398, 420, 434, 462, 465, 495, 540, 558, 594, 597, 620, 630, 651, 660, 682, 693, 756, 770, 796, 837, 868, 924, 930, 945, 990, 995, 1023, 1085, 1116, 1155, 1188, 1194, 1260, 1302, 1364, 1386, 1393, 1395, 1485, 1540, 1674, 1705, 1791, 1860, 1890, 1953, 1980, 1990, 2046, 2079, 2170, 2189, 2310, 2387, 2388, 2604, 2772, 2786, 2790, 2970, 2985, 3069, 3255, 3348, 3410, 3465, 3582, 3780, 3906, 3980, 4092, 4158, 4179, 4185, 4340, 4378, 4620, 4774, 5115, 5373, 5572, 5580, 5859, 5940, 5970, 6138, 6169, 6510, 6567, 6820, 6930, 6965, 7161, 7164, 7812, 8316, 8358, 8370, 8756, 8955, 9207, 9548, 9765, 10230, 10395, 10746, 10945, 11718, 11935, 11940, 12276, 12338, 12537, 13020, 13134, 13860, 13930, 14322, 15323, 15345, 16716, 16740, 17910, 18414, 18507, 19530, 19701, 20460, 20790, 20895, 21483, 21492, 21890, 23436, 23870, 24676, 25074, 26268, 26865, 27860, 28644, 29295, 30646, 30690, 30845, 32835, 35805, 35820, 36828, 37014, 37611, 39060, 39402, 41580, 41790, 42966, 43183, 43780, 45969, 46035, 47740, 50148, 53730, 55521, 58590, 59103, 61292, 61380, 61690, 62685, 64449, 65670, 67859, 71610, 74028, 75222, 76615, 78804, 83580, 85932, 86366, 91938, 92070, 92535, 98505, 107415, 107460, 111042, 117180, 118206, 123380, 125370, 128898, 129549, 131340, 135718, 137907, 143220, 150444, 153230, 166563, 172732, 183876, 184140, 185070, 188055, 197010, 203577, 214830, 215915, 222084, 229845, 236412, 250740, 257796, 259098, 271436, 275814, 277605, 295515, 306460, 322245, 333126, 339295, 370140, 376110, 388647, 394020, 407154, 413721, 429660, 431830, 459690, 475013, 518196, 551628, 555210, 591030, 610731, 644490, 647745, 666252, 678590, 689535, 752220, 777294, 814308, 827442, 832815, 863660, 919380, 950026, 1017885, 1110420, 1165941, 1182060, 1221462, 1288980, 1295490, 1357180, 1379070, 1425039, 1554588, 1654884, 1665630, 1832193, 1900052, 1943235, 2035770, 2068605, 2331882, 2375065, 2442924, 2590980, 2758140, 2850078, 3053655, 3331260, 3664386, 3886470, 4071540, 4137210, 4275117, 4663764, 4750130, 5700156, 5829705, 6107310, 7125195, 7328772, 7772940, 8274420, 8550234, 9160965, 9500260, 11659410, 12214620, 12825351, 14250390, 17100468, 18321930, 21375585, 23318820, 25650702, 28500780, 36643860, 42751170, 51301404, 64126755, 85502340, 128253510, 256507020]

約数ペア:

[(1, 256507020), (2, 128253510), (3, 85502340), (4, 64126755), (5, 51301404), (6, 42751170), (7, 36643860), (9, 28500780), (10, 25650702), (11, 23318820), (12, 21375585), (14, 18321930), (15, 17100468), (18, 14250390), (20, 12825351), (21, 12214620), (22, 11659410), (27, 9500260), (28, 9160965), (30, 8550234), (31, 8274420), (33, 7772940), (35, 7328772), (36, 7125195), (42, 6107310), (44, 5829705), (45, 5700156), (54, 4750130), (55, 4663764), (60, 4275117), (62, 4137210), (63, 4071540), (66, 3886470), (70, 3664386), (77, 3331260), (84, 3053655), (90, 2850078), (93, 2758140), (99, 2590980), (105, 2442924), (108, 2375065), (110, 2331882), (124, 2068605), (126, 2035770), (132, 1943235), (135, 1900052), (140, 1832193), (154, 1665630), (155, 1654884), (165, 1554588), (180, 1425039), (186, 1379070), (189, 1357180), (198, 1295490), (199, 1288980), (210, 1221462), (217, 1182060), (220, 1165941), (231, 1110420), (252, 1017885), (270, 950026), (279, 919380), (297, 863660), (308, 832815), (310, 827442), (315, 814308), (330, 777294), (341, 752220), (372, 689535), (378, 678590), (385, 666252), (396, 647745), (398, 644490), (420, 610731), (434, 591030), (462, 555210), (465, 551628), (495, 518196), (540, 475013), (558, 459690), (594, 431830), (597, 429660), (620, 413721), (630, 407154), (651, 394020), (660, 388647), (682, 376110), (693, 370140), (756, 339295), (770, 333126), (796, 322245), (837, 306460), (868, 295515), (924, 277605), (930, 275814), (945, 271436), (990, 259098), (995, 257796), (1023, 250740), (1085, 236412), (1116, 229845), (1155, 222084), (1188, 215915), (1194, 214830), (1260, 203577), (1302, 197010), (1364, 188055), (1386, 185070), (1393, 184140), (1395, 183876), (1485, 172732), (1540, 166563), (1674, 153230), (1705, 150444), (1791, 143220), (1860, 137907), (1890, 135718), (1953, 131340), (1980, 129549), (1990, 128898), (2046, 125370), (2079, 123380), (2170, 118206), (2189, 117180), (2310, 111042), (2387, 107460), (2388, 107415), (2604, 98505), (2772, 92535), (2786, 92070), (2790, 91938), (2970, 86366), (2985, 85932), (3069, 83580), (3255, 78804), (3348, 76615), (3410, 75222), (3465, 74028), (3582, 71610), (3780, 67859), (3906, 65670), (3980, 64449), (4092, 62685), (4158, 61690), (4179, 61380), (4185, 61292), (4340, 59103), (4378, 58590), (4620, 55521), (4774, 53730), (5115, 50148), (5373, 47740), (5572, 46035), (5580, 45969), (5859, 43780), (5940, 43183), (5970, 42966), (6138, 41790), (6169, 41580), (6510, 39402), (6567, 39060), (6820, 37611), (6930, 37014), (6965, 36828), (7161, 35820), (7164, 35805), (7812, 32835), (8316, 30845), (8358, 30690), (8370, 30646), (8756, 29295), (8955, 28644), (9207, 27860), (9548, 26865), (9765, 26268), (10230, 25074), (10395, 24676), (10746, 23870), (10945, 23436), (11718, 21890), (11935, 21492), (11940, 21483), (12276, 20895), (12338, 20790), (12537, 20460), (13020, 19701), (13134, 19530), (13860, 18507), (13930, 18414), (14322, 17910), (15323, 16740), (15345, 16716)]