260480

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:67

約数の個数: 64

約数和(自身を含む): 697680

約数和(自身を除く): 437200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 74, 80, 88, 110, 128, 148, 160, 176, 185, 220, 296, 320, 352, 370, 407, 440, 592, 640, 704, 740, 814, 880, 1184, 1408, 1480, 1628, 1760, 2035, 2368, 2960, 3256, 3520, 4070, 4736, 5920, 6512, 7040, 8140, 11840, 13024, 16280, 23680, 26048, 32560, 52096, 65120, 130240, 260480]

約数ペア:

[(1, 260480), (2, 130240), (4, 65120), (5, 52096), (8, 32560), (10, 26048), (11, 23680), (16, 16280), (20, 13024), (22, 11840), (32, 8140), (37, 7040), (40, 6512), (44, 5920), (55, 4736), (64, 4070), (74, 3520), (80, 3256), (88, 2960), (110, 2368), (128, 2035), (148, 1760), (160, 1628), (176, 1480), (185, 1408), (220, 1184), (296, 880), (320, 814), (352, 740), (370, 704), (407, 640), (440, 592)]