61428780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{5417}}^1$

素因数の和:5445

約数の個数: 120

約数和(自身を含む): 220274208

約数和(自身を除く): 158845428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5417, 5670, 10834, 11340, 16251, 21668, 27085, 32502, 37919, 48753, 54170, 65004, 75838, 81255, 97506, 108340, 113757, 146259, 151676, 162510, 189595, 195012, 227514, 243765, 292518, 325020, 341271, 379190, 438777, 455028, 487530, 568785, 585036, 682542, 731295, 758380, 877554, 975060, 1023813, 1137570, 1365084, 1462590, 1706355, 1755108, 2047626, 2193885, 2275140, 2925180, 3071439, 3412710, 4095252, 4387770, 5119065, 6142878, 6825420, 8775540, 10238130, 12285756, 15357195, 20476260, 30714390, 61428780]

約数ペア:

[(1, 61428780), (2, 30714390), (3, 20476260), (4, 15357195), (5, 12285756), (6, 10238130), (7, 8775540), (9, 6825420), (10, 6142878), (12, 5119065), (14, 4387770), (15, 4095252), (18, 3412710), (20, 3071439), (21, 2925180), (27, 2275140), (28, 2193885), (30, 2047626), (35, 1755108), (36, 1706355), (42, 1462590), (45, 1365084), (54, 1137570), (60, 1023813), (63, 975060), (70, 877554), (81, 758380), (84, 731295), (90, 682542), (105, 585036), (108, 568785), (126, 487530), (135, 455028), (140, 438777), (162, 379190), (180, 341271), (189, 325020), (210, 292518), (252, 243765), (270, 227514), (315, 195012), (324, 189595), (378, 162510), (405, 151676), (420, 146259), (540, 113757), (567, 108340), (630, 97506), (756, 81255), (810, 75838), (945, 65004), (1134, 54170), (1260, 48753), (1620, 37919), (1890, 32502), (2268, 27085), (2835, 21668), (3780, 16251), (5417, 11340), (5670, 10834)]