280806420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2273}}^1$

素因数の和:2385

約数の個数: 96

約数和(自身を含む): 825189120

約数和(自身を除く): 544382700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 71, 87, 116, 142, 145, 174, 213, 284, 290, 348, 355, 426, 435, 580, 710, 852, 870, 1065, 1420, 1740, 2059, 2130, 2273, 4118, 4260, 4546, 6177, 6819, 8236, 9092, 10295, 11365, 12354, 13638, 20590, 22730, 24708, 27276, 30885, 34095, 41180, 45460, 61770, 65917, 68190, 123540, 131834, 136380, 161383, 197751, 263668, 322766, 329585, 395502, 484149, 645532, 659170, 791004, 806915, 968298, 988755, 1318340, 1613830, 1936596, 1977510, 2420745, 3227660, 3955020, 4680107, 4841490, 9360214, 9682980, 14040321, 18720428, 23400535, 28080642, 46801070, 56161284, 70201605, 93602140, 140403210, 280806420]

約数ペア:

[(1, 280806420), (2, 140403210), (3, 93602140), (4, 70201605), (5, 56161284), (6, 46801070), (10, 28080642), (12, 23400535), (15, 18720428), (20, 14040321), (29, 9682980), (30, 9360214), (58, 4841490), (60, 4680107), (71, 3955020), (87, 3227660), (116, 2420745), (142, 1977510), (145, 1936596), (174, 1613830), (213, 1318340), (284, 988755), (290, 968298), (348, 806915), (355, 791004), (426, 659170), (435, 645532), (580, 484149), (710, 395502), (852, 329585), (870, 322766), (1065, 263668), (1420, 197751), (1740, 161383), (2059, 136380), (2130, 131834), (2273, 123540), (4118, 68190), (4260, 65917), (4546, 61770), (6177, 45460), (6819, 41180), (8236, 34095), (9092, 30885), (10295, 27276), (11365, 24708), (12354, 22730), (13638, 20590)]