2571760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 80

約数和(自身を含む): 6642432

約数和(自身を除く): 4070672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 61, 62, 68, 80, 85, 122, 124, 136, 155, 170, 244, 248, 272, 305, 310, 340, 488, 496, 527, 610, 620, 680, 976, 1037, 1054, 1220, 1240, 1360, 1891, 2074, 2108, 2440, 2480, 2635, 3782, 4148, 4216, 4880, 5185, 5270, 7564, 8296, 8432, 9455, 10370, 10540, 15128, 16592, 18910, 20740, 21080, 30256, 32147, 37820, 41480, 42160, 64294, 75640, 82960, 128588, 151280, 160735, 257176, 321470, 514352, 642940, 1285880, 2571760]

約数ペア:

[(1, 2571760), (2, 1285880), (4, 642940), (5, 514352), (8, 321470), (10, 257176), (16, 160735), (17, 151280), (20, 128588), (31, 82960), (34, 75640), (40, 64294), (61, 42160), (62, 41480), (68, 37820), (80, 32147), (85, 30256), (122, 21080), (124, 20740), (136, 18910), (155, 16592), (170, 15128), (244, 10540), (248, 10370), (272, 9455), (305, 8432), (310, 8296), (340, 7564), (488, 5270), (496, 5185), (527, 4880), (610, 4216), (620, 4148), (680, 3782), (976, 2635), (1037, 2480), (1054, 2440), (1220, 2108), (1240, 2074), (1360, 1891)]