152791640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 351086400

約数和(自身を除く): 198294760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 167, 178, 257, 334, 356, 445, 514, 668, 712, 835, 890, 1028, 1285, 1336, 1670, 1780, 2056, 2570, 3340, 3560, 5140, 6680, 10280, 14863, 22873, 29726, 42919, 45746, 59452, 74315, 85838, 91492, 114365, 118904, 148630, 171676, 182984, 214595, 228730, 297260, 343352, 429190, 457460, 594520, 858380, 914920, 1716760, 3819791, 7639582, 15279164, 19098955, 30558328, 38197910, 76395820, 152791640]

約数ペア:

[(1, 152791640), (2, 76395820), (4, 38197910), (5, 30558328), (8, 19098955), (10, 15279164), (20, 7639582), (40, 3819791), (89, 1716760), (167, 914920), (178, 858380), (257, 594520), (334, 457460), (356, 429190), (445, 343352), (514, 297260), (668, 228730), (712, 214595), (835, 182984), (890, 171676), (1028, 148630), (1285, 118904), (1336, 114365), (1670, 91492), (1780, 85838), (2056, 74315), (2570, 59452), (3340, 45746), (3560, 42919), (5140, 29726), (6680, 22873), (10280, 14863)]