56681240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 163749600

約数和(自身を除く): 107068360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 121, 140, 154, 196, 220, 239, 242, 245, 280, 308, 385, 392, 440, 478, 484, 490, 539, 605, 616, 770, 847, 956, 968, 980, 1078, 1195, 1210, 1540, 1673, 1694, 1912, 1960, 2156, 2390, 2420, 2629, 2695, 3080, 3346, 3388, 4235, 4312, 4780, 4840, 5258, 5390, 5929, 6692, 6776, 8365, 8470, 9560, 10516, 10780, 11711, 11858, 13145, 13384, 16730, 16940, 18403, 21032, 21560, 23422, 23716, 26290, 28919, 29645, 33460, 33880, 36806, 46844, 47432, 52580, 57838, 58555, 59290, 66920, 73612, 92015, 93688, 105160, 115676, 117110, 118580, 128821, 144595, 147224, 184030, 202433, 231352, 234220, 237160, 257642, 289190, 368060, 404866, 468440, 515284, 578380, 644105, 736120, 809732, 1012165, 1030568, 1156760, 1288210, 1417031, 1619464, 2024330, 2576420, 2834062, 4048660, 5152840, 5668124, 7085155, 8097320, 11336248, 14170310, 28340620, 56681240]

約数ペア:

[(1, 56681240), (2, 28340620), (4, 14170310), (5, 11336248), (7, 8097320), (8, 7085155), (10, 5668124), (11, 5152840), (14, 4048660), (20, 2834062), (22, 2576420), (28, 2024330), (35, 1619464), (40, 1417031), (44, 1288210), (49, 1156760), (55, 1030568), (56, 1012165), (70, 809732), (77, 736120), (88, 644105), (98, 578380), (110, 515284), (121, 468440), (140, 404866), (154, 368060), (196, 289190), (220, 257642), (239, 237160), (242, 234220), (245, 231352), (280, 202433), (308, 184030), (385, 147224), (392, 144595), (440, 128821), (478, 118580), (484, 117110), (490, 115676), (539, 105160), (605, 93688), (616, 92015), (770, 73612), (847, 66920), (956, 59290), (968, 58555), (980, 57838), (1078, 52580), (1195, 47432), (1210, 46844), (1540, 36806), (1673, 33880), (1694, 33460), (1912, 29645), (1960, 28919), (2156, 26290), (2390, 23716), (2420, 23422), (2629, 21560), (2695, 21032), (3080, 18403), (3346, 16940), (3388, 16730), (4235, 13384), (4312, 13145), (4780, 11858), (4840, 11711), (5258, 10780), (5390, 10516), (5929, 9560), (6692, 8470), (6776, 8365)]