1891760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 5062176

約数和(自身を除く): 3170416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 107, 130, 136, 170, 208, 214, 221, 260, 272, 340, 428, 442, 520, 535, 680, 856, 884, 1040, 1070, 1105, 1360, 1391, 1712, 1768, 1819, 2140, 2210, 2782, 3536, 3638, 4280, 4420, 5564, 6955, 7276, 8560, 8840, 9095, 11128, 13910, 14552, 17680, 18190, 22256, 23647, 27820, 29104, 36380, 47294, 55640, 72760, 94588, 111280, 118235, 145520, 189176, 236470, 378352, 472940, 945880, 1891760]

約数ペア:

[(1, 1891760), (2, 945880), (4, 472940), (5, 378352), (8, 236470), (10, 189176), (13, 145520), (16, 118235), (17, 111280), (20, 94588), (26, 72760), (34, 55640), (40, 47294), (52, 36380), (65, 29104), (68, 27820), (80, 23647), (85, 22256), (104, 18190), (107, 17680), (130, 14552), (136, 13910), (170, 11128), (208, 9095), (214, 8840), (221, 8560), (260, 7276), (272, 6955), (340, 5564), (428, 4420), (442, 4280), (520, 3638), (535, 3536), (680, 2782), (856, 2210), (884, 2140), (1040, 1819), (1070, 1768), (1105, 1712), (1360, 1391)]