31389360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4219}}^1$

素因数の和:4266

約数の個数: 80

約数和(自身を含む): 100469760

約数和(自身を除く): 69080400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 4219, 7440, 8438, 12657, 16876, 21095, 25314, 33752, 42190, 50628, 63285, 67504, 84380, 101256, 126570, 130789, 168760, 202512, 253140, 261578, 337520, 392367, 506280, 523156, 653945, 784734, 1012560, 1046312, 1307890, 1569468, 1961835, 2092624, 2615780, 3138936, 3923670, 5231560, 6277872, 7847340, 10463120, 15694680, 31389360]

約数ペア:

[(1, 31389360), (2, 15694680), (3, 10463120), (4, 7847340), (5, 6277872), (6, 5231560), (8, 3923670), (10, 3138936), (12, 2615780), (15, 2092624), (16, 1961835), (20, 1569468), (24, 1307890), (30, 1046312), (31, 1012560), (40, 784734), (48, 653945), (60, 523156), (62, 506280), (80, 392367), (93, 337520), (120, 261578), (124, 253140), (155, 202512), (186, 168760), (240, 130789), (248, 126570), (310, 101256), (372, 84380), (465, 67504), (496, 63285), (620, 50628), (744, 42190), (930, 33752), (1240, 25314), (1488, 21095), (1860, 16876), (2480, 12657), (3720, 8438), (4219, 7440)]