31451360

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:436

約数の個数: 96

約数和(自身を含む): 81430272

約数和(自身を除く): 49978912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 340, 373, 496, 527, 544, 620, 680, 746, 992, 1054, 1240, 1360, 1492, 1865, 2108, 2480, 2635, 2720, 2984, 3730, 4216, 4960, 5270, 5968, 6341, 7460, 8432, 10540, 11563, 11936, 12682, 14920, 16864, 21080, 23126, 25364, 29840, 31705, 42160, 46252, 50728, 57815, 59680, 63410, 84320, 92504, 101456, 115630, 126820, 185008, 196571, 202912, 231260, 253640, 370016, 393142, 462520, 507280, 786284, 925040, 982855, 1014560, 1572568, 1850080, 1965710, 3145136, 3931420, 6290272, 7862840, 15725680, 31451360]

約数ペア:

[(1, 31451360), (2, 15725680), (4, 7862840), (5, 6290272), (8, 3931420), (10, 3145136), (16, 1965710), (17, 1850080), (20, 1572568), (31, 1014560), (32, 982855), (34, 925040), (40, 786284), (62, 507280), (68, 462520), (80, 393142), (85, 370016), (124, 253640), (136, 231260), (155, 202912), (160, 196571), (170, 185008), (248, 126820), (272, 115630), (310, 101456), (340, 92504), (373, 84320), (496, 63410), (527, 59680), (544, 57815), (620, 50728), (680, 46252), (746, 42160), (992, 31705), (1054, 29840), (1240, 25364), (1360, 23126), (1492, 21080), (1865, 16864), (2108, 14920), (2480, 12682), (2635, 11936), (2720, 11563), (2984, 10540), (3730, 8432), (4216, 7460), (4960, 6341), (5270, 5968)]