140347440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{491}}^1$

素因数の和:907

約数の個数: 120

約数和(自身を含む): 473483088

約数和(自身を除く): 333135648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 397, 491, 720, 794, 982, 1191, 1473, 1588, 1964, 1985, 2382, 2455, 2946, 3176, 3573, 3928, 3970, 4419, 4764, 4910, 5892, 5955, 6352, 7146, 7365, 7856, 7940, 8838, 9528, 9820, 11784, 11910, 14292, 14730, 15880, 17676, 17865, 19056, 19640, 22095, 23568, 23820, 28584, 29460, 31760, 35352, 35730, 39280, 44190, 47640, 57168, 58920, 70704, 71460, 88380, 95280, 117840, 142920, 176760, 194927, 285840, 353520, 389854, 584781, 779708, 974635, 1169562, 1559416, 1754343, 1949270, 2339124, 2923905, 3118832, 3508686, 3898540, 4678248, 5847810, 7017372, 7797080, 8771715, 9356496, 11695620, 14034744, 15594160, 17543430, 23391240, 28069488, 35086860, 46782480, 70173720, 140347440]

約数ペア:

[(1, 140347440), (2, 70173720), (3, 46782480), (4, 35086860), (5, 28069488), (6, 23391240), (8, 17543430), (9, 15594160), (10, 14034744), (12, 11695620), (15, 9356496), (16, 8771715), (18, 7797080), (20, 7017372), (24, 5847810), (30, 4678248), (36, 3898540), (40, 3508686), (45, 3118832), (48, 2923905), (60, 2339124), (72, 1949270), (80, 1754343), (90, 1559416), (120, 1169562), (144, 974635), (180, 779708), (240, 584781), (360, 389854), (397, 353520), (491, 285840), (720, 194927), (794, 176760), (982, 142920), (1191, 117840), (1473, 95280), (1588, 88380), (1964, 71460), (1985, 70704), (2382, 58920), (2455, 57168), (2946, 47640), (3176, 44190), (3573, 39280), (3928, 35730), (3970, 35352), (4419, 31760), (4764, 29460), (4910, 28584), (5892, 23820), (5955, 23568), (6352, 22095), (7146, 19640), (7365, 19056), (7856, 17865), (7940, 17676), (8838, 15880), (9528, 14730), (9820, 14292), (11784, 11910)]