81296640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{7057}}^1$

素因数の和:7084

約数の個数: 108

約数和(自身を含む): 281317764

約数和(自身を除く): 200021124

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 7057, 11520, 14114, 21171, 28228, 35285, 42342, 56456, 63513, 70570, 84684, 105855, 112912, 127026, 141140, 169368, 211710, 225824, 254052, 282280, 317565, 338736, 423420, 451648, 508104, 564560, 635130, 677472, 846840, 903296, 1016208, 1129120, 1270260, 1354944, 1693680, 1806592, 2032416, 2258240, 2540520, 2709888, 3387360, 4064832, 4516480, 5081040, 5419776, 6774720, 8129664, 9032960, 10162080, 13549440, 16259328, 20324160, 27098880, 40648320, 81296640]

約数ペア:

[(1, 81296640), (2, 40648320), (3, 27098880), (4, 20324160), (5, 16259328), (6, 13549440), (8, 10162080), (9, 9032960), (10, 8129664), (12, 6774720), (15, 5419776), (16, 5081040), (18, 4516480), (20, 4064832), (24, 3387360), (30, 2709888), (32, 2540520), (36, 2258240), (40, 2032416), (45, 1806592), (48, 1693680), (60, 1354944), (64, 1270260), (72, 1129120), (80, 1016208), (90, 903296), (96, 846840), (120, 677472), (128, 635130), (144, 564560), (160, 508104), (180, 451648), (192, 423420), (240, 338736), (256, 317565), (288, 282280), (320, 254052), (360, 225824), (384, 211710), (480, 169368), (576, 141140), (640, 127026), (720, 112912), (768, 105855), (960, 84684), (1152, 70570), (1280, 63513), (1440, 56456), (1920, 42342), (2304, 35285), (2880, 28228), (3840, 21171), (5760, 14114), (7057, 11520)]