158396840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19507}}^1$

素因数の和:19554

約数の個数: 64

約数和(自身を含む): 421372800

約数和(自身を除く): 262975960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 19507, 39014, 78028, 97535, 136549, 156056, 195070, 273098, 390140, 546196, 565703, 682745, 780280, 1092392, 1131406, 1365490, 2262812, 2730980, 2828515, 3959921, 4525624, 5461960, 5657030, 7919842, 11314060, 15839684, 19799605, 22628120, 31679368, 39599210, 79198420, 158396840]

約数ペア:

[(1, 158396840), (2, 79198420), (4, 39599210), (5, 31679368), (7, 22628120), (8, 19799605), (10, 15839684), (14, 11314060), (20, 7919842), (28, 5657030), (29, 5461960), (35, 4525624), (40, 3959921), (56, 2828515), (58, 2730980), (70, 2262812), (116, 1365490), (140, 1131406), (145, 1092392), (203, 780280), (232, 682745), (280, 565703), (290, 546196), (406, 390140), (580, 273098), (812, 195070), (1015, 156056), (1160, 136549), (1624, 97535), (2030, 78028), (4060, 39014), (8120, 19507)]