78658020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{20809}}^1$

素因数の和:20834

約数の個数: 96

約数和(自身を含む): 279686400

約数和(自身を除く): 201028380

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, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 20809, 41618, 62427, 83236, 104045, 124854, 145663, 187281, 208090, 249708, 291326, 312135, 374562, 416180, 436989, 561843, 582652, 624270, 728315, 749124, 873978, 936405, 1123686, 1248540, 1310967, 1456630, 1747956, 1872810, 2184945, 2247372, 2621934, 2809215, 2913260, 3745620, 3932901, 4369890, 5243868, 5618430, 6554835, 7865802, 8739780, 11236860, 13109670, 15731604, 19664505, 26219340, 39329010, 78658020]

約数ペア:

[(1, 78658020), (2, 39329010), (3, 26219340), (4, 19664505), (5, 15731604), (6, 13109670), (7, 11236860), (9, 8739780), (10, 7865802), (12, 6554835), (14, 5618430), (15, 5243868), (18, 4369890), (20, 3932901), (21, 3745620), (27, 2913260), (28, 2809215), (30, 2621934), (35, 2247372), (36, 2184945), (42, 1872810), (45, 1747956), (54, 1456630), (60, 1310967), (63, 1248540), (70, 1123686), (84, 936405), (90, 873978), (105, 749124), (108, 728315), (126, 624270), (135, 582652), (140, 561843), (180, 436989), (189, 416180), (210, 374562), (252, 312135), (270, 291326), (315, 249708), (378, 208090), (420, 187281), (540, 145663), (630, 124854), (756, 104045), (945, 83236), (1260, 62427), (1890, 41618), (3780, 20809)]