28474680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18253}}^1$

素因数の和:18280

約数の個数: 64

約数和(自身を含む): 92000160

約数和(自身を除く): 63525480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18253, 36506, 54759, 73012, 91265, 109518, 146024, 182530, 219036, 237289, 273795, 365060, 438072, 474578, 547590, 711867, 730120, 949156, 1095180, 1186445, 1423734, 1898312, 2190360, 2372890, 2847468, 3559335, 4745780, 5694936, 7118670, 9491560, 14237340, 28474680]

約数ペア:

[(1, 28474680), (2, 14237340), (3, 9491560), (4, 7118670), (5, 5694936), (6, 4745780), (8, 3559335), (10, 2847468), (12, 2372890), (13, 2190360), (15, 1898312), (20, 1423734), (24, 1186445), (26, 1095180), (30, 949156), (39, 730120), (40, 711867), (52, 547590), (60, 474578), (65, 438072), (78, 365060), (104, 273795), (120, 237289), (130, 219036), (156, 182530), (195, 146024), (260, 109518), (312, 91265), (390, 73012), (520, 54759), (780, 36506), (1560, 18253)]