131727720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15461}}^1$

素因数の和:15546

約数の個数: 64

約数和(自身を含む): 400775040

約数和(自身を除く): 269047320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 15461, 30922, 46383, 61844, 77305, 92766, 123688, 154610, 185532, 231915, 309220, 371064, 463830, 618440, 927660, 1097731, 1855320, 2195462, 3293193, 4390924, 5488655, 6586386, 8781848, 10977310, 13172772, 16465965, 21954620, 26345544, 32931930, 43909240, 65863860, 131727720]

約数ペア:

[(1, 131727720), (2, 65863860), (3, 43909240), (4, 32931930), (5, 26345544), (6, 21954620), (8, 16465965), (10, 13172772), (12, 10977310), (15, 8781848), (20, 6586386), (24, 5488655), (30, 4390924), (40, 3293193), (60, 2195462), (71, 1855320), (120, 1097731), (142, 927660), (213, 618440), (284, 463830), (355, 371064), (426, 309220), (568, 231915), (710, 185532), (852, 154610), (1065, 123688), (1420, 92766), (1704, 77305), (2130, 61844), (2840, 46383), (4260, 30922), (8520, 15461)]