81818360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6841}}^1$

素因数の和:6888

約数の個数: 64

約数和(自身を含む): 206902080

約数和(自身を除く): 125083720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 6841, 11960, 13682, 27364, 34205, 54728, 68410, 88933, 136820, 157343, 177866, 273640, 314686, 355732, 444665, 629372, 711464, 786715, 889330, 1258744, 1573430, 1778660, 2045459, 3146860, 3557320, 4090918, 6293720, 8181836, 10227295, 16363672, 20454590, 40909180, 81818360]

約数ペア:

[(1, 81818360), (2, 40909180), (4, 20454590), (5, 16363672), (8, 10227295), (10, 8181836), (13, 6293720), (20, 4090918), (23, 3557320), (26, 3146860), (40, 2045459), (46, 1778660), (52, 1573430), (65, 1258744), (92, 889330), (104, 786715), (115, 711464), (130, 629372), (184, 444665), (230, 355732), (260, 314686), (299, 273640), (460, 177866), (520, 157343), (598, 136820), (920, 88933), (1196, 68410), (1495, 54728), (2392, 34205), (2990, 27364), (5980, 13682), (6841, 11960)]