1655439680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1531}}^1$

素因数の和:1688

約数の個数: 112

約数和(自身を含む): 4109191680

約数和(自身を除く): 2453752000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 109, 124, 155, 160, 218, 248, 310, 320, 436, 496, 545, 620, 872, 992, 1090, 1240, 1531, 1744, 1984, 2180, 2480, 3062, 3379, 3488, 4360, 4960, 6124, 6758, 6976, 7655, 8720, 9920, 12248, 13516, 15310, 16895, 17440, 24496, 27032, 30620, 33790, 34880, 47461, 48992, 54064, 61240, 67580, 94922, 97984, 108128, 122480, 135160, 166879, 189844, 216256, 237305, 244960, 270320, 333758, 379688, 474610, 489920, 540640, 667516, 759376, 834395, 949220, 1081280, 1335032, 1518752, 1668790, 1898440, 2670064, 3037504, 3337580, 3796880, 5173249, 5340128, 6675160, 7593760, 10346498, 10680256, 13350320, 15187520, 20692996, 25866245, 26700640, 41385992, 51732490, 53401280, 82771984, 103464980, 165543968, 206929960, 331087936, 413859920, 827719840, 1655439680]

約数ペア:

[(1, 1655439680), (2, 827719840), (4, 413859920), (5, 331087936), (8, 206929960), (10, 165543968), (16, 103464980), (20, 82771984), (31, 53401280), (32, 51732490), (40, 41385992), (62, 26700640), (64, 25866245), (80, 20692996), (109, 15187520), (124, 13350320), (155, 10680256), (160, 10346498), (218, 7593760), (248, 6675160), (310, 5340128), (320, 5173249), (436, 3796880), (496, 3337580), (545, 3037504), (620, 2670064), (872, 1898440), (992, 1668790), (1090, 1518752), (1240, 1335032), (1531, 1081280), (1744, 949220), (1984, 834395), (2180, 759376), (2480, 667516), (3062, 540640), (3379, 489920), (3488, 474610), (4360, 379688), (4960, 333758), (6124, 270320), (6758, 244960), (6976, 237305), (7655, 216256), (8720, 189844), (9920, 166879), (12248, 135160), (13516, 122480), (15310, 108128), (16895, 97984), (17440, 94922), (24496, 67580), (27032, 61240), (30620, 54064), (33790, 48992), (34880, 47461)]