72379980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 232805664

約数和(自身を除く): 160425684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 243, 265, 270, 281, 318, 324, 405, 477, 486, 530, 540, 562, 636, 795, 810, 843, 954, 972, 1060, 1124, 1215, 1405, 1431, 1590, 1620, 1686, 1908, 2385, 2430, 2529, 2810, 2862, 3180, 3372, 4215, 4293, 4770, 4860, 5058, 5620, 5724, 7155, 7587, 8430, 8586, 9540, 10116, 12645, 12879, 14310, 14893, 15174, 16860, 17172, 21465, 22761, 25290, 25758, 28620, 29786, 30348, 37935, 42930, 44679, 45522, 50580, 51516, 59572, 64395, 68283, 74465, 75870, 85860, 89358, 91044, 113805, 128790, 134037, 136566, 148930, 151740, 178716, 223395, 227610, 257580, 268074, 273132, 297860, 341415, 402111, 446790, 455220, 536148, 670185, 682830, 804222, 893580, 1206333, 1340370, 1365660, 1608444, 2010555, 2412666, 2680740, 3618999, 4021110, 4825332, 6031665, 7237998, 8042220, 12063330, 14475996, 18094995, 24126660, 36189990, 72379980]

約数ペア:

[(1, 72379980), (2, 36189990), (3, 24126660), (4, 18094995), (5, 14475996), (6, 12063330), (9, 8042220), (10, 7237998), (12, 6031665), (15, 4825332), (18, 4021110), (20, 3618999), (27, 2680740), (30, 2412666), (36, 2010555), (45, 1608444), (53, 1365660), (54, 1340370), (60, 1206333), (81, 893580), (90, 804222), (106, 682830), (108, 670185), (135, 536148), (159, 455220), (162, 446790), (180, 402111), (212, 341415), (243, 297860), (265, 273132), (270, 268074), (281, 257580), (318, 227610), (324, 223395), (405, 178716), (477, 151740), (486, 148930), (530, 136566), (540, 134037), (562, 128790), (636, 113805), (795, 91044), (810, 89358), (843, 85860), (954, 75870), (972, 74465), (1060, 68283), (1124, 64395), (1215, 59572), (1405, 51516), (1431, 50580), (1590, 45522), (1620, 44679), (1686, 42930), (1908, 37935), (2385, 30348), (2430, 29786), (2529, 28620), (2810, 25758), (2862, 25290), (3180, 22761), (3372, 21465), (4215, 17172), (4293, 16860), (4770, 15174), (4860, 14893), (5058, 14310), (5620, 12879), (5724, 12645), (7155, 10116), (7587, 9540), (8430, 8586)]