30988620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 288

約数和(自身を含む): 115577280

約数和(自身を除く): 84588660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 19, 20, 26, 30, 34, 36, 38, 39, 41, 45, 51, 52, 57, 60, 65, 68, 76, 78, 82, 85, 90, 95, 102, 114, 117, 123, 130, 153, 156, 164, 170, 171, 180, 190, 195, 204, 205, 221, 228, 234, 246, 247, 255, 260, 285, 306, 323, 340, 342, 369, 380, 390, 410, 442, 468, 492, 494, 510, 533, 570, 585, 612, 615, 646, 663, 684, 697, 738, 741, 765, 779, 780, 820, 855, 884, 969, 988, 1020, 1066, 1105, 1140, 1170, 1230, 1235, 1292, 1326, 1394, 1476, 1482, 1530, 1558, 1599, 1615, 1710, 1845, 1938, 1989, 2091, 2132, 2210, 2223, 2337, 2340, 2460, 2470, 2652, 2665, 2788, 2907, 2964, 3060, 3116, 3198, 3230, 3315, 3420, 3485, 3690, 3705, 3876, 3895, 3978, 4182, 4199, 4420, 4446, 4674, 4797, 4845, 4940, 5330, 5814, 6273, 6396, 6460, 6630, 6970, 7011, 7380, 7410, 7790, 7956, 7995, 8364, 8398, 8892, 9061, 9348, 9594, 9690, 9945, 10127, 10455, 10660, 11115, 11628, 11685, 12546, 12597, 13243, 13260, 13940, 14022, 14535, 14820, 15580, 15990, 16796, 18122, 19188, 19380, 19890, 20254, 20910, 20995, 22230, 23370, 23985, 25092, 25194, 26486, 27183, 28044, 29070, 30381, 31365, 31980, 35055, 36244, 37791, 39729, 39780, 40508, 41820, 41990, 44460, 45305, 46740, 47970, 50388, 50635, 52972, 54366, 58140, 60762, 62730, 62985, 66215, 70110, 75582, 79458, 81549, 83980, 90610, 91143, 95940, 101270, 108732, 119187, 121524, 125460, 125970, 132430, 135915, 140220, 151164, 151905, 158916, 163098, 172159, 181220, 182286, 188955, 198645, 202540, 238374, 251940, 264860, 271830, 303810, 326196, 344318, 364572, 377910, 397290, 407745, 455715, 476748, 516477, 543660, 595935, 607620, 688636, 755820, 794580, 815490, 860795, 911430, 1032954, 1191870, 1549431, 1630980, 1721590, 1822860, 2065908, 2383740, 2582385, 3098862, 3443180, 5164770, 6197724, 7747155, 10329540, 15494310, 30988620]

約数ペア:

[(1, 30988620), (2, 15494310), (3, 10329540), (4, 7747155), (5, 6197724), (6, 5164770), (9, 3443180), (10, 3098862), (12, 2582385), (13, 2383740), (15, 2065908), (17, 1822860), (18, 1721590), (19, 1630980), (20, 1549431), (26, 1191870), (30, 1032954), (34, 911430), (36, 860795), (38, 815490), (39, 794580), (41, 755820), (45, 688636), (51, 607620), (52, 595935), (57, 543660), (60, 516477), (65, 476748), (68, 455715), (76, 407745), (78, 397290), (82, 377910), (85, 364572), (90, 344318), (95, 326196), (102, 303810), (114, 271830), (117, 264860), (123, 251940), (130, 238374), (153, 202540), (156, 198645), (164, 188955), (170, 182286), (171, 181220), (180, 172159), (190, 163098), (195, 158916), (204, 151905), (205, 151164), (221, 140220), (228, 135915), (234, 132430), (246, 125970), (247, 125460), (255, 121524), (260, 119187), (285, 108732), (306, 101270), (323, 95940), (340, 91143), (342, 90610), (369, 83980), (380, 81549), (390, 79458), (410, 75582), (442, 70110), (468, 66215), (492, 62985), (494, 62730), (510, 60762), (533, 58140), (570, 54366), (585, 52972), (612, 50635), (615, 50388), (646, 47970), (663, 46740), (684, 45305), (697, 44460), (738, 41990), (741, 41820), (765, 40508), (779, 39780), (780, 39729), (820, 37791), (855, 36244), (884, 35055), (969, 31980), (988, 31365), (1020, 30381), (1066, 29070), (1105, 28044), (1140, 27183), (1170, 26486), (1230, 25194), (1235, 25092), (1292, 23985), (1326, 23370), (1394, 22230), (1476, 20995), (1482, 20910), (1530, 20254), (1558, 19890), (1599, 19380), (1615, 19188), (1710, 18122), (1845, 16796), (1938, 15990), (1989, 15580), (2091, 14820), (2132, 14535), (2210, 14022), (2223, 13940), (2337, 13260), (2340, 13243), (2460, 12597), (2470, 12546), (2652, 11685), (2665, 11628), (2788, 11115), (2907, 10660), (2964, 10455), (3060, 10127), (3116, 9945), (3198, 9690), (3230, 9594), (3315, 9348), (3420, 9061), (3485, 8892), (3690, 8398), (3705, 8364), (3876, 7995), (3895, 7956), (3978, 7790), (4182, 7410), (4199, 7380), (4420, 7011), (4446, 6970), (4674, 6630), (4797, 6460), (4845, 6396), (4940, 6273), (5330, 5814)]