648469440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{225163}}^1$

素因数の和:225186

約数の個数: 84

約数和(自身を含む): 2230474584

約数和(自身を除く): 1582005144

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, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 225163, 450326, 675489, 900652, 1125815, 1350978, 1801304, 2026467, 2251630, 2701956, 3377445, 3602608, 4052934, 4503260, 5403912, 6754890, 7205216, 8105868, 9006520, 10132335, 10807824, 13509780, 14410432, 16211736, 18013040, 20264670, 21615648, 27019560, 32423472, 36026080, 40529340, 43231296, 54039120, 64846944, 72052160, 81058680, 108078240, 129693888, 162117360, 216156480, 324234720, 648469440]

約数ペア:

[(1, 648469440), (2, 324234720), (3, 216156480), (4, 162117360), (5, 129693888), (6, 108078240), (8, 81058680), (9, 72052160), (10, 64846944), (12, 54039120), (15, 43231296), (16, 40529340), (18, 36026080), (20, 32423472), (24, 27019560), (30, 21615648), (32, 20264670), (36, 18013040), (40, 16211736), (45, 14410432), (48, 13509780), (60, 10807824), (64, 10132335), (72, 9006520), (80, 8105868), (90, 7205216), (96, 6754890), (120, 5403912), (144, 4503260), (160, 4052934), (180, 3602608), (192, 3377445), (240, 2701956), (288, 2251630), (320, 2026467), (360, 1801304), (480, 1350978), (576, 1125815), (720, 900652), (960, 675489), (1440, 450326), (2880, 225163)]