291204240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19891}}^1$

素因数の和:19968

約数の個数: 80

約数和(自身を含む): 917578176

約数和(自身を除く): 626373936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 7320, 14640, 19891, 39782, 59673, 79564, 99455, 119346, 159128, 198910, 238692, 298365, 318256, 397820, 477384, 596730, 795640, 954768, 1193460, 1213351, 1591280, 2386920, 2426702, 3640053, 4773840, 4853404, 6066755, 7280106, 9706808, 12133510, 14560212, 18200265, 19413616, 24267020, 29120424, 36400530, 48534040, 58240848, 72801060, 97068080, 145602120, 291204240]

約数ペア:

[(1, 291204240), (2, 145602120), (3, 97068080), (4, 72801060), (5, 58240848), (6, 48534040), (8, 36400530), (10, 29120424), (12, 24267020), (15, 19413616), (16, 18200265), (20, 14560212), (24, 12133510), (30, 9706808), (40, 7280106), (48, 6066755), (60, 4853404), (61, 4773840), (80, 3640053), (120, 2426702), (122, 2386920), (183, 1591280), (240, 1213351), (244, 1193460), (305, 954768), (366, 795640), (488, 596730), (610, 477384), (732, 397820), (915, 318256), (976, 298365), (1220, 238692), (1464, 198910), (1830, 159128), (2440, 119346), (2928, 99455), (3660, 79564), (4880, 59673), (7320, 39782), (14640, 19891)]