16220280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 51840000

約数和(自身を除く): 35619720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 59, 60, 79, 87, 116, 118, 120, 145, 158, 174, 177, 232, 236, 237, 290, 295, 316, 348, 354, 395, 435, 472, 474, 580, 590, 632, 696, 708, 790, 870, 885, 948, 1160, 1180, 1185, 1416, 1580, 1711, 1740, 1770, 1896, 2291, 2360, 2370, 3160, 3422, 3480, 3540, 4582, 4661, 4740, 5133, 6844, 6873, 7080, 8555, 9164, 9322, 9480, 10266, 11455, 13688, 13746, 13983, 17110, 18328, 18644, 20532, 22910, 23305, 25665, 27492, 27966, 34220, 34365, 37288, 41064, 45820, 46610, 51330, 54984, 55932, 68440, 68730, 69915, 91640, 93220, 102660, 111864, 135169, 137460, 139830, 186440, 205320, 270338, 274920, 279660, 405507, 540676, 559320, 675845, 811014, 1081352, 1351690, 1622028, 2027535, 2703380, 3244056, 4055070, 5406760, 8110140, 16220280]

約数ペア:

[(1, 16220280), (2, 8110140), (3, 5406760), (4, 4055070), (5, 3244056), (6, 2703380), (8, 2027535), (10, 1622028), (12, 1351690), (15, 1081352), (20, 811014), (24, 675845), (29, 559320), (30, 540676), (40, 405507), (58, 279660), (59, 274920), (60, 270338), (79, 205320), (87, 186440), (116, 139830), (118, 137460), (120, 135169), (145, 111864), (158, 102660), (174, 93220), (177, 91640), (232, 69915), (236, 68730), (237, 68440), (290, 55932), (295, 54984), (316, 51330), (348, 46610), (354, 45820), (395, 41064), (435, 37288), (472, 34365), (474, 34220), (580, 27966), (590, 27492), (632, 25665), (696, 23305), (708, 22910), (790, 20532), (870, 18644), (885, 18328), (948, 17110), (1160, 13983), (1180, 13746), (1185, 13688), (1416, 11455), (1580, 10266), (1711, 9480), (1740, 9322), (1770, 9164), (1896, 8555), (2291, 7080), (2360, 6873), (2370, 6844), (3160, 5133), (3422, 4740), (3480, 4661), (3540, 4582)]