657187920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21227}}^1$

素因数の和:21289

約数の個数: 120

約数和(自身を含む): 2258489376

約数和(自身を除く): 1601301456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 5160, 6192, 7740, 10320, 15480, 21227, 30960, 42454, 63681, 84908, 106135, 127362, 169816, 191043, 212270, 254724, 318405, 339632, 382086, 424540, 509448, 636810, 764172, 849080, 912761, 955215, 1018896, 1273620, 1528344, 1698160, 1825522, 1910430, 2547240, 2738283, 3056688, 3651044, 3820860, 4563805, 5094480, 5476566, 7302088, 7641720, 8214849, 9127610, 10953132, 13691415, 14604176, 15283440, 16429698, 18255220, 21906264, 27382830, 32859396, 36510440, 41074245, 43812528, 54765660, 65718792, 73020880, 82148490, 109531320, 131437584, 164296980, 219062640, 328593960, 657187920]

約数ペア:

[(1, 657187920), (2, 328593960), (3, 219062640), (4, 164296980), (5, 131437584), (6, 109531320), (8, 82148490), (9, 73020880), (10, 65718792), (12, 54765660), (15, 43812528), (16, 41074245), (18, 36510440), (20, 32859396), (24, 27382830), (30, 21906264), (36, 18255220), (40, 16429698), (43, 15283440), (45, 14604176), (48, 13691415), (60, 10953132), (72, 9127610), (80, 8214849), (86, 7641720), (90, 7302088), (120, 5476566), (129, 5094480), (144, 4563805), (172, 3820860), (180, 3651044), (215, 3056688), (240, 2738283), (258, 2547240), (344, 1910430), (360, 1825522), (387, 1698160), (430, 1528344), (516, 1273620), (645, 1018896), (688, 955215), (720, 912761), (774, 849080), (860, 764172), (1032, 636810), (1290, 509448), (1548, 424540), (1720, 382086), (1935, 339632), (2064, 318405), (2580, 254724), (3096, 212270), (3440, 191043), (3870, 169816), (5160, 127362), (6192, 106135), (7740, 84908), (10320, 63681), (15480, 42454), (21227, 30960)]