21504480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 68802048

約数和(自身を除く): 47297568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 71, 80, 96, 120, 142, 160, 213, 240, 284, 355, 426, 480, 568, 631, 710, 852, 1065, 1136, 1262, 1420, 1704, 1893, 2130, 2272, 2524, 2840, 3155, 3408, 3786, 4260, 5048, 5680, 6310, 6816, 7572, 8520, 9465, 10096, 11360, 12620, 15144, 17040, 18930, 20192, 25240, 30288, 34080, 37860, 44801, 50480, 60576, 75720, 89602, 100960, 134403, 151440, 179204, 224005, 268806, 302880, 358408, 448010, 537612, 672015, 716816, 896020, 1075224, 1344030, 1433632, 1792040, 2150448, 2688060, 3584080, 4300896, 5376120, 7168160, 10752240, 21504480]

約数ペア:

[(1, 21504480), (2, 10752240), (3, 7168160), (4, 5376120), (5, 4300896), (6, 3584080), (8, 2688060), (10, 2150448), (12, 1792040), (15, 1433632), (16, 1344030), (20, 1075224), (24, 896020), (30, 716816), (32, 672015), (40, 537612), (48, 448010), (60, 358408), (71, 302880), (80, 268806), (96, 224005), (120, 179204), (142, 151440), (160, 134403), (213, 100960), (240, 89602), (284, 75720), (355, 60576), (426, 50480), (480, 44801), (568, 37860), (631, 34080), (710, 30288), (852, 25240), (1065, 20192), (1136, 18930), (1262, 17040), (1420, 15144), (1704, 12620), (1893, 11360), (2130, 10096), (2272, 9465), (2524, 8520), (2840, 7572), (3155, 6816), (3408, 6310), (3786, 5680), (4260, 5048)]