2730780

素因数分解:

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

素因数の和:420

約数の個数: 96

約数和(自身を含む): 9172800

約数和(自身を除く): 6442020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 389, 390, 468, 540, 585, 702, 778, 780, 1167, 1170, 1404, 1556, 1755, 1945, 2334, 2340, 3501, 3510, 3890, 4668, 5057, 5835, 7002, 7020, 7780, 10114, 10503, 11670, 14004, 15171, 17505, 20228, 21006, 23340, 25285, 30342, 35010, 42012, 45513, 50570, 52515, 60684, 70020, 75855, 91026, 101140, 105030, 136539, 151710, 182052, 210060, 227565, 273078, 303420, 455130, 546156, 682695, 910260, 1365390, 2730780]

約数ペア:

[(1, 2730780), (2, 1365390), (3, 910260), (4, 682695), (5, 546156), (6, 455130), (9, 303420), (10, 273078), (12, 227565), (13, 210060), (15, 182052), (18, 151710), (20, 136539), (26, 105030), (27, 101140), (30, 91026), (36, 75855), (39, 70020), (45, 60684), (52, 52515), (54, 50570), (60, 45513), (65, 42012), (78, 35010), (90, 30342), (108, 25285), (117, 23340), (130, 21006), (135, 20228), (156, 17505), (180, 15171), (195, 14004), (234, 11670), (260, 10503), (270, 10114), (351, 7780), (389, 7020), (390, 7002), (468, 5835), (540, 5057), (585, 4668), (702, 3890), (778, 3510), (780, 3501), (1167, 2340), (1170, 2334), (1404, 1945), (1556, 1755)]