68440860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4813}}^1$

素因数の和:4907

約数の個数: 72

約数和(自身を含む): 210275520

約数和(自身を除く): 141834660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 4813, 7110, 9626, 14220, 14439, 19252, 24065, 28878, 43317, 48130, 57756, 72195, 86634, 96260, 144390, 173268, 216585, 288780, 380227, 433170, 760454, 866340, 1140681, 1520908, 1901135, 2281362, 3422043, 3802270, 4562724, 5703405, 6844086, 7604540, 11406810, 13688172, 17110215, 22813620, 34220430, 68440860]

約数ペア:

[(1, 68440860), (2, 34220430), (3, 22813620), (4, 17110215), (5, 13688172), (6, 11406810), (9, 7604540), (10, 6844086), (12, 5703405), (15, 4562724), (18, 3802270), (20, 3422043), (30, 2281362), (36, 1901135), (45, 1520908), (60, 1140681), (79, 866340), (90, 760454), (158, 433170), (180, 380227), (237, 288780), (316, 216585), (395, 173268), (474, 144390), (711, 96260), (790, 86634), (948, 72195), (1185, 57756), (1422, 48130), (1580, 43317), (2370, 28878), (2844, 24065), (3555, 19252), (4740, 14439), (4813, 14220), (7110, 9626)]