81308610

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2713}}^1$

素因数の和:2769

約数の個数: 80

約数和(自身を含む): 224621496

約数和(自身を除く): 143312886

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 222, 270, 333, 370, 405, 555, 666, 810, 999, 1110, 1665, 1998, 2713, 2997, 3330, 4995, 5426, 5994, 8139, 9990, 13565, 14985, 16278, 24417, 27130, 29970, 40695, 48834, 73251, 81390, 100381, 122085, 146502, 200762, 219753, 244170, 301143, 366255, 439506, 501905, 602286, 732510, 903429, 1003810, 1098765, 1505715, 1806858, 2197530, 2710287, 3011430, 4517145, 5420574, 8130861, 9034290, 13551435, 16261722, 27102870, 40654305, 81308610]

約数ペア:

[(1, 81308610), (2, 40654305), (3, 27102870), (5, 16261722), (6, 13551435), (9, 9034290), (10, 8130861), (15, 5420574), (18, 4517145), (27, 3011430), (30, 2710287), (37, 2197530), (45, 1806858), (54, 1505715), (74, 1098765), (81, 1003810), (90, 903429), (111, 732510), (135, 602286), (162, 501905), (185, 439506), (222, 366255), (270, 301143), (333, 244170), (370, 219753), (405, 200762), (555, 146502), (666, 122085), (810, 100381), (999, 81390), (1110, 73251), (1665, 48834), (1998, 40695), (2713, 29970), (2997, 27130), (3330, 24417), (4995, 16278), (5426, 14985), (5994, 13565), (8139, 9990)]