1556720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:114

約数の個数: 80

約数和(自身を含む): 4151520

約数和(自身を除く): 2594800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 61, 80, 88, 110, 116, 122, 145, 176, 220, 232, 244, 290, 305, 319, 440, 464, 488, 580, 610, 638, 671, 880, 976, 1160, 1220, 1276, 1342, 1595, 1769, 2320, 2440, 2552, 2684, 3190, 3355, 3538, 4880, 5104, 5368, 6380, 6710, 7076, 8845, 10736, 12760, 13420, 14152, 17690, 19459, 25520, 26840, 28304, 35380, 38918, 53680, 70760, 77836, 97295, 141520, 155672, 194590, 311344, 389180, 778360, 1556720]

約数ペア:

[(1, 1556720), (2, 778360), (4, 389180), (5, 311344), (8, 194590), (10, 155672), (11, 141520), (16, 97295), (20, 77836), (22, 70760), (29, 53680), (40, 38918), (44, 35380), (55, 28304), (58, 26840), (61, 25520), (80, 19459), (88, 17690), (110, 14152), (116, 13420), (122, 12760), (145, 10736), (176, 8845), (220, 7076), (232, 6710), (244, 6380), (290, 5368), (305, 5104), (319, 4880), (440, 3538), (464, 3355), (488, 3190), (580, 2684), (610, 2552), (638, 2440), (671, 2320), (880, 1769), (976, 1595), (1160, 1342), (1220, 1276)]