1680935940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{301243}}^1$

素因数の和:301289

約数の個数: 72

約数和(自身を含む): 5263335168

約数和(自身を除く): 3582399228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 301243, 602486, 903729, 1204972, 1506215, 1807458, 2711187, 3012430, 3614916, 4518645, 5422374, 6024860, 9037290, 9338533, 10844748, 13555935, 18074580, 18677066, 27111870, 28015599, 37354132, 46692665, 54223740, 56031198, 84046797, 93385330, 112062396, 140077995, 168093594, 186770660, 280155990, 336187188, 420233985, 560311980, 840467970, 1680935940]

約数ペア:

[(1, 1680935940), (2, 840467970), (3, 560311980), (4, 420233985), (5, 336187188), (6, 280155990), (9, 186770660), (10, 168093594), (12, 140077995), (15, 112062396), (18, 93385330), (20, 84046797), (30, 56031198), (31, 54223740), (36, 46692665), (45, 37354132), (60, 28015599), (62, 27111870), (90, 18677066), (93, 18074580), (124, 13555935), (155, 10844748), (180, 9338533), (186, 9037290), (279, 6024860), (310, 5422374), (372, 4518645), (465, 3614916), (558, 3012430), (620, 2711187), (930, 1807458), (1116, 1506215), (1395, 1204972), (1860, 903729), (2790, 602486), (5580, 301243)]