2158996240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{2297}}^1$

素因数の和:2720

約数の個数: 80

約数和(自身を含む): 5197524480

約数和(自身を除く): 3038528240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 379, 496, 620, 758, 1240, 1516, 1895, 2297, 2480, 3032, 3790, 4594, 6064, 7580, 9188, 11485, 11749, 15160, 18376, 22970, 23498, 30320, 36752, 45940, 46996, 58745, 71207, 91880, 93992, 117490, 142414, 183760, 187984, 234980, 284828, 356035, 469960, 569656, 712070, 870563, 939920, 1139312, 1424140, 1741126, 2848280, 3482252, 4352815, 5696560, 6964504, 8705630, 13929008, 17411260, 26987453, 34822520, 53974906, 69645040, 107949812, 134937265, 215899624, 269874530, 431799248, 539749060, 1079498120, 2158996240]

約数ペア:

[(1, 2158996240), (2, 1079498120), (4, 539749060), (5, 431799248), (8, 269874530), (10, 215899624), (16, 134937265), (20, 107949812), (31, 69645040), (40, 53974906), (62, 34822520), (80, 26987453), (124, 17411260), (155, 13929008), (248, 8705630), (310, 6964504), (379, 5696560), (496, 4352815), (620, 3482252), (758, 2848280), (1240, 1741126), (1516, 1424140), (1895, 1139312), (2297, 939920), (2480, 870563), (3032, 712070), (3790, 569656), (4594, 469960), (6064, 356035), (7580, 284828), (9188, 234980), (11485, 187984), (11749, 183760), (15160, 142414), (18376, 117490), (22970, 93992), (23498, 91880), (30320, 71207), (36752, 58745), (45940, 46996)]