123071840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45247}}^1$

素因数の和:45279

約数の個数: 48

約数和(自身を含む): 307867392

約数和(自身を除く): 184795552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 45247, 90494, 180988, 226235, 361976, 452470, 723952, 769199, 904940, 1447904, 1538398, 1809880, 3076796, 3619760, 3845995, 6153592, 7239520, 7691990, 12307184, 15383980, 24614368, 30767960, 61535920, 123071840]

約数ペア:

[(1, 123071840), (2, 61535920), (4, 30767960), (5, 24614368), (8, 15383980), (10, 12307184), (16, 7691990), (17, 7239520), (20, 6153592), (32, 3845995), (34, 3619760), (40, 3076796), (68, 1809880), (80, 1538398), (85, 1447904), (136, 904940), (160, 769199), (170, 723952), (272, 452470), (340, 361976), (544, 226235), (680, 180988), (1360, 90494), (2720, 45247)]