560427920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17383}}^1$

素因数の和:17440

約数の個数: 80

約数和(自身を含む): 1448573952

約数和(自身を除く): 888146032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 17383, 32240, 34766, 69532, 86915, 139064, 173830, 225979, 278128, 347660, 451958, 538873, 695320, 903916, 1077746, 1129895, 1390640, 1807832, 2155492, 2259790, 2694365, 3615664, 4310984, 4519580, 5388730, 7005349, 8621968, 9039160, 10777460, 14010698, 18078320, 21554920, 28021396, 35026745, 43109840, 56042792, 70053490, 112085584, 140106980, 280213960, 560427920]

約数ペア:

[(1, 560427920), (2, 280213960), (4, 140106980), (5, 112085584), (8, 70053490), (10, 56042792), (13, 43109840), (16, 35026745), (20, 28021396), (26, 21554920), (31, 18078320), (40, 14010698), (52, 10777460), (62, 9039160), (65, 8621968), (80, 7005349), (104, 5388730), (124, 4519580), (130, 4310984), (155, 3615664), (208, 2694365), (248, 2259790), (260, 2155492), (310, 1807832), (403, 1390640), (496, 1129895), (520, 1077746), (620, 903916), (806, 695320), (1040, 538873), (1240, 451958), (1612, 347660), (2015, 278128), (2480, 225979), (3224, 173830), (4030, 139064), (6448, 86915), (8060, 69532), (16120, 34766), (17383, 32240)]