15678599120

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1\times {\mathrm{3499}}^1$

素因数の和:4300

約数の個数: 80

約数和(自身を含む): 36976800000

約数和(自身を除く): 21298200880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 709, 790, 1264, 1418, 1580, 2836, 3160, 3499, 3545, 5672, 6320, 6998, 7090, 11344, 13996, 14180, 17495, 27992, 28360, 34990, 55984, 56011, 56720, 69980, 112022, 139960, 224044, 276421, 279920, 280055, 448088, 552842, 560110, 896176, 1105684, 1120220, 1382105, 2211368, 2240440, 2480791, 2764210, 4422736, 4480880, 4961582, 5528420, 9923164, 11056840, 12403955, 19846328, 22113680, 24807910, 39692656, 49615820, 99231640, 195982489, 198463280, 391964978, 783929956, 979912445, 1567859912, 1959824890, 3135719824, 3919649780, 7839299560, 15678599120]

約数ペア:

[(1, 15678599120), (2, 7839299560), (4, 3919649780), (5, 3135719824), (8, 1959824890), (10, 1567859912), (16, 979912445), (20, 783929956), (40, 391964978), (79, 198463280), (80, 195982489), (158, 99231640), (316, 49615820), (395, 39692656), (632, 24807910), (709, 22113680), (790, 19846328), (1264, 12403955), (1418, 11056840), (1580, 9923164), (2836, 5528420), (3160, 4961582), (3499, 4480880), (3545, 4422736), (5672, 2764210), (6320, 2480791), (6998, 2240440), (7090, 2211368), (11344, 1382105), (13996, 1120220), (14180, 1105684), (17495, 896176), (27992, 560110), (28360, 552842), (34990, 448088), (55984, 280055), (56011, 279920), (56720, 276421), (69980, 224044), (112022, 139960)]