1820520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 6388200

約数和(自身を除く): 4567680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 389, 390, 468, 520, 585, 778, 780, 936, 1167, 1170, 1556, 1560, 1945, 2334, 2340, 3112, 3501, 3890, 4668, 4680, 5057, 5835, 7002, 7780, 9336, 10114, 11670, 14004, 15171, 15560, 17505, 20228, 23340, 25285, 28008, 30342, 35010, 40456, 45513, 46680, 50570, 60684, 70020, 75855, 91026, 101140, 121368, 140040, 151710, 182052, 202280, 227565, 303420, 364104, 455130, 606840, 910260, 1820520]

約数ペア:

[(1, 1820520), (2, 910260), (3, 606840), (4, 455130), (5, 364104), (6, 303420), (8, 227565), (9, 202280), (10, 182052), (12, 151710), (13, 140040), (15, 121368), (18, 101140), (20, 91026), (24, 75855), (26, 70020), (30, 60684), (36, 50570), (39, 46680), (40, 45513), (45, 40456), (52, 35010), (60, 30342), (65, 28008), (72, 25285), (78, 23340), (90, 20228), (104, 17505), (117, 15560), (120, 15171), (130, 14004), (156, 11670), (180, 10114), (195, 9336), (234, 7780), (260, 7002), (312, 5835), (360, 5057), (389, 4680), (390, 4668), (468, 3890), (520, 3501), (585, 3112), (778, 2340), (780, 2334), (936, 1945), (1167, 1560), (1170, 1556)]