8154720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{809}}^1$

素因数の和:837

約数の個数: 144

約数和(自身を含む): 31842720

約数和(自身を除く): 23688000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 809, 840, 1008, 1120, 1260, 1440, 1618, 1680, 2016, 2427, 2520, 3236, 3360, 4045, 4854, 5040, 5663, 6472, 7281, 8090, 9708, 10080, 11326, 12135, 12944, 14562, 16180, 16989, 19416, 22652, 24270, 25888, 28315, 29124, 32360, 33978, 36405, 38832, 45304, 48540, 50967, 56630, 58248, 64720, 67956, 72810, 77664, 84945, 90608, 97080, 101934, 113260, 116496, 129440, 135912, 145620, 169890, 181216, 194160, 203868, 226520, 232992, 254835, 271824, 291240, 339780, 388320, 407736, 453040, 509670, 543648, 582480, 679560, 815472, 906080, 1019340, 1164960, 1359120, 1630944, 2038680, 2718240, 4077360, 8154720]

約数ペア:

[(1, 8154720), (2, 4077360), (3, 2718240), (4, 2038680), (5, 1630944), (6, 1359120), (7, 1164960), (8, 1019340), (9, 906080), (10, 815472), (12, 679560), (14, 582480), (15, 543648), (16, 509670), (18, 453040), (20, 407736), (21, 388320), (24, 339780), (28, 291240), (30, 271824), (32, 254835), (35, 232992), (36, 226520), (40, 203868), (42, 194160), (45, 181216), (48, 169890), (56, 145620), (60, 135912), (63, 129440), (70, 116496), (72, 113260), (80, 101934), (84, 97080), (90, 90608), (96, 84945), (105, 77664), (112, 72810), (120, 67956), (126, 64720), (140, 58248), (144, 56630), (160, 50967), (168, 48540), (180, 45304), (210, 38832), (224, 36405), (240, 33978), (252, 32360), (280, 29124), (288, 28315), (315, 25888), (336, 24270), (360, 22652), (420, 19416), (480, 16989), (504, 16180), (560, 14562), (630, 12944), (672, 12135), (720, 11326), (809, 10080), (840, 9708), (1008, 8090), (1120, 7281), (1260, 6472), (1440, 5663), (1618, 5040), (1680, 4854), (2016, 4045), (2427, 3360), (2520, 3236)]