665554920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1$

素因数の和:755

約数の個数: 128

約数和(自身を含む): 2047731840

約数和(自身を除く): 1382176920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 227, 265, 318, 424, 454, 461, 530, 636, 681, 795, 908, 922, 1060, 1135, 1272, 1362, 1383, 1590, 1816, 1844, 2120, 2270, 2305, 2724, 2766, 3180, 3405, 3688, 4540, 4610, 5448, 5532, 6360, 6810, 6915, 9080, 9220, 11064, 12031, 13620, 13830, 18440, 24062, 24433, 27240, 27660, 36093, 48124, 48866, 55320, 60155, 72186, 73299, 96248, 97732, 104647, 120310, 122165, 144372, 146598, 180465, 195464, 209294, 240620, 244330, 288744, 293196, 313941, 360930, 366495, 418588, 481240, 488660, 523235, 586392, 627882, 721860, 732990, 837176, 977320, 1046470, 1255764, 1443720, 1465980, 1569705, 2092940, 2511528, 2931960, 3139410, 4185880, 5546291, 6278820, 11092582, 12557640, 16638873, 22185164, 27731455, 33277746, 44370328, 55462910, 66555492, 83194365, 110925820, 133110984, 166388730, 221851640, 332777460, 665554920]

約数ペア:

[(1, 665554920), (2, 332777460), (3, 221851640), (4, 166388730), (5, 133110984), (6, 110925820), (8, 83194365), (10, 66555492), (12, 55462910), (15, 44370328), (20, 33277746), (24, 27731455), (30, 22185164), (40, 16638873), (53, 12557640), (60, 11092582), (106, 6278820), (120, 5546291), (159, 4185880), (212, 3139410), (227, 2931960), (265, 2511528), (318, 2092940), (424, 1569705), (454, 1465980), (461, 1443720), (530, 1255764), (636, 1046470), (681, 977320), (795, 837176), (908, 732990), (922, 721860), (1060, 627882), (1135, 586392), (1272, 523235), (1362, 488660), (1383, 481240), (1590, 418588), (1816, 366495), (1844, 360930), (2120, 313941), (2270, 293196), (2305, 288744), (2724, 244330), (2766, 240620), (3180, 209294), (3405, 195464), (3688, 180465), (4540, 146598), (4610, 144372), (5448, 122165), (5532, 120310), (6360, 104647), (6810, 97732), (6915, 96248), (9080, 73299), (9220, 72186), (11064, 60155), (12031, 55320), (13620, 48866), (13830, 48124), (18440, 36093), (24062, 27660), (24433, 27240)]