251388160

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8539}}^1$

素因数の和:8583

約数の個数: 72

約数和(自身を含む): 628407360

約数和(自身を除く): 377019200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7360, 8539, 14720, 17078, 29440, 34156, 42695, 68312, 85390, 136624, 170780, 196397, 273248, 341560, 392794, 546496, 683120, 785588, 981985, 1092992, 1366240, 1571176, 1963970, 2185984, 2732480, 3142352, 3927940, 5464960, 6284704, 7855880, 10929920, 12569408, 15711760, 25138816, 31423520, 50277632, 62847040, 125694080, 251388160]

約数ペア:

[(1, 251388160), (2, 125694080), (4, 62847040), (5, 50277632), (8, 31423520), (10, 25138816), (16, 15711760), (20, 12569408), (23, 10929920), (32, 7855880), (40, 6284704), (46, 5464960), (64, 3927940), (80, 3142352), (92, 2732480), (115, 2185984), (128, 1963970), (160, 1571176), (184, 1366240), (230, 1092992), (256, 981985), (320, 785588), (368, 683120), (460, 546496), (640, 392794), (736, 341560), (920, 273248), (1280, 196397), (1472, 170780), (1840, 136624), (2944, 85390), (3680, 68312), (5888, 42695), (7360, 34156), (8539, 29440), (14720, 17078)]