1636440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1049}}^1$

素因数の和:1076

約数の個数: 64

約数和(自身を含む): 5292000

約数和(自身を除く): 3655560

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, 1049, 1560, 2098, 3147, 4196, 5245, 6294, 8392, 10490, 12588, 13637, 15735, 20980, 25176, 27274, 31470, 40911, 41960, 54548, 62940, 68185, 81822, 109096, 125880, 136370, 163644, 204555, 272740, 327288, 409110, 545480, 818220, 1636440]

約数ペア:

[(1, 1636440), (2, 818220), (3, 545480), (4, 409110), (5, 327288), (6, 272740), (8, 204555), (10, 163644), (12, 136370), (13, 125880), (15, 109096), (20, 81822), (24, 68185), (26, 62940), (30, 54548), (39, 41960), (40, 40911), (52, 31470), (60, 27274), (65, 25176), (78, 20980), (104, 15735), (120, 13637), (130, 12588), (156, 10490), (195, 8392), (260, 6294), (312, 5245), (390, 4196), (520, 3147), (780, 2098), (1049, 1560)]