287040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:56

約数の個数: 112

約数和(自身を含む): 1024128

約数和(自身を除く): 737088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 46, 48, 52, 60, 64, 65, 69, 78, 80, 92, 96, 104, 115, 120, 130, 138, 156, 160, 184, 192, 195, 208, 230, 240, 260, 276, 299, 312, 320, 345, 368, 390, 416, 460, 480, 520, 552, 598, 624, 690, 736, 780, 832, 897, 920, 960, 1040, 1104, 1196, 1248, 1380, 1472, 1495, 1560, 1794, 1840, 2080, 2208, 2392, 2496, 2760, 2990, 3120, 3588, 3680, 4160, 4416, 4485, 4784, 5520, 5980, 6240, 7176, 7360, 8970, 9568, 11040, 11960, 12480, 14352, 17940, 19136, 22080, 23920, 28704, 35880, 47840, 57408, 71760, 95680, 143520, 287040]

約数ペア:

[(1, 287040), (2, 143520), (3, 95680), (4, 71760), (5, 57408), (6, 47840), (8, 35880), (10, 28704), (12, 23920), (13, 22080), (15, 19136), (16, 17940), (20, 14352), (23, 12480), (24, 11960), (26, 11040), (30, 9568), (32, 8970), (39, 7360), (40, 7176), (46, 6240), (48, 5980), (52, 5520), (60, 4784), (64, 4485), (65, 4416), (69, 4160), (78, 3680), (80, 3588), (92, 3120), (96, 2990), (104, 2760), (115, 2496), (120, 2392), (130, 2208), (138, 2080), (156, 1840), (160, 1794), (184, 1560), (192, 1495), (195, 1472), (208, 1380), (230, 1248), (240, 1196), (260, 1104), (276, 1040), (299, 960), (312, 920), (320, 897), (345, 832), (368, 780), (390, 736), (416, 690), (460, 624), (480, 598), (520, 552)]