1641760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 4015872

約数和(自身を除く): 2374112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 331, 496, 620, 662, 992, 1240, 1324, 1655, 2480, 2648, 3310, 4960, 5296, 6620, 10261, 10592, 13240, 20522, 26480, 41044, 51305, 52960, 82088, 102610, 164176, 205220, 328352, 410440, 820880, 1641760]

約数ペア:

[(1, 1641760), (2, 820880), (4, 410440), (5, 328352), (8, 205220), (10, 164176), (16, 102610), (20, 82088), (31, 52960), (32, 51305), (40, 41044), (62, 26480), (80, 20522), (124, 13240), (155, 10592), (160, 10261), (248, 6620), (310, 5296), (331, 4960), (496, 3310), (620, 2648), (662, 2480), (992, 1655), (1240, 1324)]