8457280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 112

約数和(自身を含む): 23042880

約数和(自身を除く): 14585600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 107, 130, 152, 160, 190, 208, 214, 247, 260, 304, 320, 380, 416, 428, 494, 520, 535, 608, 760, 832, 856, 988, 1040, 1070, 1216, 1235, 1391, 1520, 1712, 1976, 2033, 2080, 2140, 2470, 2782, 3040, 3424, 3952, 4066, 4160, 4280, 4940, 5564, 6080, 6848, 6955, 7904, 8132, 8560, 9880, 10165, 11128, 13910, 15808, 16264, 17120, 19760, 20330, 22256, 26429, 27820, 32528, 34240, 39520, 40660, 44512, 52858, 55640, 65056, 79040, 81320, 89024, 105716, 111280, 130112, 132145, 162640, 211432, 222560, 264290, 325280, 422864, 445120, 528580, 650560, 845728, 1057160, 1691456, 2114320, 4228640, 8457280]

約数ペア:

[(1, 8457280), (2, 4228640), (4, 2114320), (5, 1691456), (8, 1057160), (10, 845728), (13, 650560), (16, 528580), (19, 445120), (20, 422864), (26, 325280), (32, 264290), (38, 222560), (40, 211432), (52, 162640), (64, 132145), (65, 130112), (76, 111280), (80, 105716), (95, 89024), (104, 81320), (107, 79040), (130, 65056), (152, 55640), (160, 52858), (190, 44512), (208, 40660), (214, 39520), (247, 34240), (260, 32528), (304, 27820), (320, 26429), (380, 22256), (416, 20330), (428, 19760), (494, 17120), (520, 16264), (535, 15808), (608, 13910), (760, 11128), (832, 10165), (856, 9880), (988, 8560), (1040, 8132), (1070, 7904), (1216, 6955), (1235, 6848), (1391, 6080), (1520, 5564), (1712, 4940), (1976, 4280), (2033, 4160), (2080, 4066), (2140, 3952), (2470, 3424), (2782, 3040)]