18161009820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{6781}}^1\times {\mathrm{14879}}^1$

素因数の和:21675

約数の個数: 72

約数和(自身を含む): 55100223360

約数和(自身を除く): 36939213540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 6781, 13562, 14879, 20343, 27124, 29758, 33905, 40686, 44637, 59516, 61029, 67810, 74395, 81372, 89274, 101715, 122058, 133911, 135620, 148790, 178548, 203430, 223185, 244116, 267822, 297580, 305145, 406860, 446370, 535644, 610290, 669555, 892740, 1220580, 1339110, 2678220, 100894499, 201788998, 302683497, 403577996, 504472495, 605366994, 908050491, 1008944990, 1210733988, 1513417485, 1816100982, 2017889980, 3026834970, 3632201964, 4540252455, 6053669940, 9080504910, 18161009820]

約数ペア:

[(1, 18161009820), (2, 9080504910), (3, 6053669940), (4, 4540252455), (5, 3632201964), (6, 3026834970), (9, 2017889980), (10, 1816100982), (12, 1513417485), (15, 1210733988), (18, 1008944990), (20, 908050491), (30, 605366994), (36, 504472495), (45, 403577996), (60, 302683497), (90, 201788998), (180, 100894499), (6781, 2678220), (13562, 1339110), (14879, 1220580), (20343, 892740), (27124, 669555), (29758, 610290), (33905, 535644), (40686, 446370), (44637, 406860), (59516, 305145), (61029, 297580), (67810, 267822), (74395, 244116), (81372, 223185), (89274, 203430), (101715, 178548), (122058, 148790), (133911, 135620)]