486065920

素因数分解:

$2^8\times 5^1\times {\mathrm{499}}^1\times {\mathrm{761}}^1$

素因数の和:1281

約数の個数: 72

約数和(自身を含む): 1168146000

約数和(自身を除く): 682080080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 499, 640, 761, 998, 1280, 1522, 1996, 2495, 3044, 3805, 3992, 4990, 6088, 7610, 7984, 9980, 12176, 15220, 15968, 19960, 24352, 30440, 31936, 39920, 48704, 60880, 63872, 79840, 97408, 121760, 127744, 159680, 194816, 243520, 319360, 379739, 487040, 638720, 759478, 974080, 1518956, 1898695, 3037912, 3797390, 6075824, 7594780, 12151648, 15189560, 24303296, 30379120, 48606592, 60758240, 97213184, 121516480, 243032960, 486065920]

約数ペア:

[(1, 486065920), (2, 243032960), (4, 121516480), (5, 97213184), (8, 60758240), (10, 48606592), (16, 30379120), (20, 24303296), (32, 15189560), (40, 12151648), (64, 7594780), (80, 6075824), (128, 3797390), (160, 3037912), (256, 1898695), (320, 1518956), (499, 974080), (640, 759478), (761, 638720), (998, 487040), (1280, 379739), (1522, 319360), (1996, 243520), (2495, 194816), (3044, 159680), (3805, 127744), (3992, 121760), (4990, 97408), (6088, 79840), (7610, 63872), (7984, 60880), (9980, 48704), (12176, 39920), (15220, 31936), (15968, 30440), (19960, 24352)]