818581860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{4327}}^1$

素因数の和:5393

約数の個数: 72

約数和(自身を含む): 2485968576

約数和(自身を除く): 1667386716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1051, 2102, 3153, 4204, 4327, 5255, 6306, 8654, 9459, 10510, 12612, 12981, 15765, 17308, 18918, 21020, 21635, 25962, 31530, 37836, 38943, 43270, 47295, 51924, 63060, 64905, 77886, 86540, 94590, 129810, 155772, 189180, 194715, 259620, 389430, 778860, 4547677, 9095354, 13643031, 18190708, 22738385, 27286062, 40929093, 45476770, 54572124, 68215155, 81858186, 90953540, 136430310, 163716372, 204645465, 272860620, 409290930, 818581860]

約数ペア:

[(1, 818581860), (2, 409290930), (3, 272860620), (4, 204645465), (5, 163716372), (6, 136430310), (9, 90953540), (10, 81858186), (12, 68215155), (15, 54572124), (18, 45476770), (20, 40929093), (30, 27286062), (36, 22738385), (45, 18190708), (60, 13643031), (90, 9095354), (180, 4547677), (1051, 778860), (2102, 389430), (3153, 259620), (4204, 194715), (4327, 189180), (5255, 155772), (6306, 129810), (8654, 94590), (9459, 86540), (10510, 77886), (12612, 64905), (12981, 63060), (15765, 51924), (17308, 47295), (18918, 43270), (21020, 38943), (21635, 37836), (25962, 31530)]