158240120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3449}}^1$

素因数の和:3528

約数の個数: 64

約数和(自身を含む): 377568000

約数和(自身を除く): 219327880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 3449, 4588, 5735, 6898, 9176, 11470, 13796, 17245, 22940, 27592, 34490, 45880, 68980, 106919, 127613, 137960, 213838, 255226, 427676, 510452, 534595, 638065, 855352, 1020904, 1069190, 1276130, 2138380, 2552260, 3956003, 4276760, 5104520, 7912006, 15824012, 19780015, 31648024, 39560030, 79120060, 158240120]

約数ペア:

[(1, 158240120), (2, 79120060), (4, 39560030), (5, 31648024), (8, 19780015), (10, 15824012), (20, 7912006), (31, 5104520), (37, 4276760), (40, 3956003), (62, 2552260), (74, 2138380), (124, 1276130), (148, 1069190), (155, 1020904), (185, 855352), (248, 638065), (296, 534595), (310, 510452), (370, 427676), (620, 255226), (740, 213838), (1147, 137960), (1240, 127613), (1480, 106919), (2294, 68980), (3449, 45880), (4588, 34490), (5735, 27592), (6898, 22940), (9176, 17245), (11470, 13796)]