2515440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 7999488

約数和(自身を除く): 5484048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 223, 235, 240, 282, 376, 446, 470, 564, 669, 705, 752, 892, 940, 1115, 1128, 1338, 1410, 1784, 1880, 2230, 2256, 2676, 2820, 3345, 3568, 3760, 4460, 5352, 5640, 6690, 8920, 10481, 10704, 11280, 13380, 17840, 20962, 26760, 31443, 41924, 52405, 53520, 62886, 83848, 104810, 125772, 157215, 167696, 209620, 251544, 314430, 419240, 503088, 628860, 838480, 1257720, 2515440]

約数ペア:

[(1, 2515440), (2, 1257720), (3, 838480), (4, 628860), (5, 503088), (6, 419240), (8, 314430), (10, 251544), (12, 209620), (15, 167696), (16, 157215), (20, 125772), (24, 104810), (30, 83848), (40, 62886), (47, 53520), (48, 52405), (60, 41924), (80, 31443), (94, 26760), (120, 20962), (141, 17840), (188, 13380), (223, 11280), (235, 10704), (240, 10481), (282, 8920), (376, 6690), (446, 5640), (470, 5352), (564, 4460), (669, 3760), (705, 3568), (752, 3345), (892, 2820), (940, 2676), (1115, 2256), (1128, 2230), (1338, 1880), (1410, 1784)]