18618720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:588

約数の個数: 96

約数和(自身を含む): 59512320

約数和(自身を除く): 40893600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 79, 80, 96, 120, 158, 160, 237, 240, 316, 395, 474, 480, 491, 632, 790, 948, 982, 1185, 1264, 1473, 1580, 1896, 1964, 2370, 2455, 2528, 2946, 3160, 3792, 3928, 4740, 4910, 5892, 6320, 7365, 7584, 7856, 9480, 9820, 11784, 12640, 14730, 15712, 18960, 19640, 23568, 29460, 37920, 38789, 39280, 47136, 58920, 77578, 78560, 116367, 117840, 155156, 193945, 232734, 235680, 310312, 387890, 465468, 581835, 620624, 775780, 930936, 1163670, 1241248, 1551560, 1861872, 2327340, 3103120, 3723744, 4654680, 6206240, 9309360, 18618720]

約数ペア:

[(1, 18618720), (2, 9309360), (3, 6206240), (4, 4654680), (5, 3723744), (6, 3103120), (8, 2327340), (10, 1861872), (12, 1551560), (15, 1241248), (16, 1163670), (20, 930936), (24, 775780), (30, 620624), (32, 581835), (40, 465468), (48, 387890), (60, 310312), (79, 235680), (80, 232734), (96, 193945), (120, 155156), (158, 117840), (160, 116367), (237, 78560), (240, 77578), (316, 58920), (395, 47136), (474, 39280), (480, 38789), (491, 37920), (632, 29460), (790, 23568), (948, 19640), (982, 18960), (1185, 15712), (1264, 14730), (1473, 12640), (1580, 11784), (1896, 9820), (1964, 9480), (2370, 7856), (2455, 7584), (2528, 7365), (2946, 6320), (3160, 5892), (3792, 4910), (3928, 4740)]