7879170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 20684160

約数和(自身を除く): 12804990

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 89, 130, 178, 195, 227, 267, 390, 445, 454, 534, 681, 890, 1135, 1157, 1335, 1362, 2270, 2314, 2670, 2951, 3405, 3471, 5785, 5902, 6810, 6942, 8853, 11570, 14755, 17355, 17706, 20203, 29510, 34710, 40406, 44265, 60609, 88530, 101015, 121218, 202030, 262639, 303045, 525278, 606090, 787917, 1313195, 1575834, 2626390, 3939585, 7879170]

約数ペア:

[(1, 7879170), (2, 3939585), (3, 2626390), (5, 1575834), (6, 1313195), (10, 787917), (13, 606090), (15, 525278), (26, 303045), (30, 262639), (39, 202030), (65, 121218), (78, 101015), (89, 88530), (130, 60609), (178, 44265), (195, 40406), (227, 34710), (267, 29510), (390, 20203), (445, 17706), (454, 17355), (534, 14755), (681, 11570), (890, 8853), (1135, 6942), (1157, 6810), (1335, 5902), (1362, 5785), (2270, 3471), (2314, 3405), (2670, 2951)]