81631920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2447}}^1$

素因数の和:2602

約数の個数: 80

約数和(自身を含む): 254983680

約数和(自身を除く): 173351760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2224, 2447, 2780, 3336, 4170, 4894, 5560, 6672, 7341, 8340, 9788, 11120, 12235, 14682, 16680, 19576, 24470, 29364, 33360, 36705, 39152, 48940, 58728, 73410, 97880, 117456, 146820, 195760, 293640, 340133, 587280, 680266, 1020399, 1360532, 1700665, 2040798, 2721064, 3401330, 4081596, 5101995, 5442128, 6802660, 8163192, 10203990, 13605320, 16326384, 20407980, 27210640, 40815960, 81631920]

約数ペア:

[(1, 81631920), (2, 40815960), (3, 27210640), (4, 20407980), (5, 16326384), (6, 13605320), (8, 10203990), (10, 8163192), (12, 6802660), (15, 5442128), (16, 5101995), (20, 4081596), (24, 3401330), (30, 2721064), (40, 2040798), (48, 1700665), (60, 1360532), (80, 1020399), (120, 680266), (139, 587280), (240, 340133), (278, 293640), (417, 195760), (556, 146820), (695, 117456), (834, 97880), (1112, 73410), (1390, 58728), (1668, 48940), (2085, 39152), (2224, 36705), (2447, 33360), (2780, 29364), (3336, 24470), (4170, 19576), (4894, 16680), (5560, 14682), (6672, 12235), (7341, 11120), (8340, 9788)]