28439760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1669}}^1$

素因数の和:1756

約数の個数: 80

約数和(自身を含む): 89458560

約数和(自身を除く): 61018800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1669, 1704, 2130, 2840, 3338, 3408, 4260, 5007, 5680, 6676, 8345, 8520, 10014, 13352, 16690, 17040, 20028, 25035, 26704, 33380, 40056, 50070, 66760, 80112, 100140, 118499, 133520, 200280, 236998, 355497, 400560, 473996, 592495, 710994, 947992, 1184990, 1421988, 1777485, 1895984, 2369980, 2843976, 3554970, 4739960, 5687952, 7109940, 9479920, 14219880, 28439760]

約数ペア:

[(1, 28439760), (2, 14219880), (3, 9479920), (4, 7109940), (5, 5687952), (6, 4739960), (8, 3554970), (10, 2843976), (12, 2369980), (15, 1895984), (16, 1777485), (20, 1421988), (24, 1184990), (30, 947992), (40, 710994), (48, 592495), (60, 473996), (71, 400560), (80, 355497), (120, 236998), (142, 200280), (213, 133520), (240, 118499), (284, 100140), (355, 80112), (426, 66760), (568, 50070), (710, 40056), (852, 33380), (1065, 26704), (1136, 25035), (1420, 20028), (1669, 17040), (1704, 16690), (2130, 13352), (2840, 10014), (3338, 8520), (3408, 8345), (4260, 6676), (5007, 5680)]