201521060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:525

約数の個数: 96

約数和(自身を含む): 487710720

約数和(自身を除く): 286189660

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 127, 130, 170, 221, 254, 260, 340, 359, 442, 508, 635, 718, 884, 1105, 1270, 1436, 1651, 1795, 2159, 2210, 2540, 3302, 3590, 4318, 4420, 4667, 6103, 6604, 7180, 8255, 8636, 9334, 10795, 12206, 16510, 18668, 21590, 23335, 24412, 28067, 30515, 33020, 43180, 45593, 46670, 56134, 61030, 79339, 91186, 93340, 112268, 122060, 140335, 158678, 182372, 227965, 280670, 317356, 396695, 455930, 561340, 592709, 775081, 793390, 911860, 1185418, 1550162, 1586780, 2370836, 2963545, 3100324, 3875405, 5927090, 7750810, 10076053, 11854180, 15501620, 20152106, 40304212, 50380265, 100760530, 201521060]

約数ペア:

[(1, 201521060), (2, 100760530), (4, 50380265), (5, 40304212), (10, 20152106), (13, 15501620), (17, 11854180), (20, 10076053), (26, 7750810), (34, 5927090), (52, 3875405), (65, 3100324), (68, 2963545), (85, 2370836), (127, 1586780), (130, 1550162), (170, 1185418), (221, 911860), (254, 793390), (260, 775081), (340, 592709), (359, 561340), (442, 455930), (508, 396695), (635, 317356), (718, 280670), (884, 227965), (1105, 182372), (1270, 158678), (1436, 140335), (1651, 122060), (1795, 112268), (2159, 93340), (2210, 91186), (2540, 79339), (3302, 61030), (3590, 56134), (4318, 46670), (4420, 45593), (4667, 43180), (6103, 33020), (6604, 30515), (7180, 28067), (8255, 24412), (8636, 23335), (9334, 21590), (10795, 18668), (12206, 16510)]