1961563440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263651}}^1$

素因数の和:263698

約数の個数: 80

約数和(自身を含む): 6277026816

約数和(自身を除く): 4315463376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 263651, 527302, 790953, 1054604, 1318255, 1581906, 2109208, 2636510, 3163812, 3954765, 4218416, 5273020, 6327624, 7909530, 8173181, 10546040, 12655248, 15819060, 16346362, 21092080, 24519543, 31638120, 32692724, 40865905, 49039086, 63276240, 65385448, 81731810, 98078172, 122597715, 130770896, 163463620, 196156344, 245195430, 326927240, 392312688, 490390860, 653854480, 980781720, 1961563440]

約数ペア:

[(1, 1961563440), (2, 980781720), (3, 653854480), (4, 490390860), (5, 392312688), (6, 326927240), (8, 245195430), (10, 196156344), (12, 163463620), (15, 130770896), (16, 122597715), (20, 98078172), (24, 81731810), (30, 65385448), (31, 63276240), (40, 49039086), (48, 40865905), (60, 32692724), (62, 31638120), (80, 24519543), (93, 21092080), (120, 16346362), (124, 15819060), (155, 12655248), (186, 10546040), (240, 8173181), (248, 7909530), (310, 6327624), (372, 5273020), (465, 4218416), (496, 3954765), (620, 3163812), (744, 2636510), (930, 2109208), (1240, 1581906), (1488, 1318255), (1860, 1054604), (2480, 790953), (3720, 527302), (7440, 263651)]