31987680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:768

約数の個数: 96

約数和(自身を含む): 101896704

約数和(自身を除く): 69909024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 103, 120, 160, 206, 240, 309, 412, 480, 515, 618, 647, 824, 1030, 1236, 1294, 1545, 1648, 1941, 2060, 2472, 2588, 3090, 3235, 3296, 3882, 4120, 4944, 5176, 6180, 6470, 7764, 8240, 9705, 9888, 10352, 12360, 12940, 15528, 16480, 19410, 20704, 24720, 25880, 31056, 38820, 49440, 51760, 62112, 66641, 77640, 103520, 133282, 155280, 199923, 266564, 310560, 333205, 399846, 533128, 666410, 799692, 999615, 1066256, 1332820, 1599384, 1999230, 2132512, 2665640, 3198768, 3998460, 5331280, 6397536, 7996920, 10662560, 15993840, 31987680]

約数ペア:

[(1, 31987680), (2, 15993840), (3, 10662560), (4, 7996920), (5, 6397536), (6, 5331280), (8, 3998460), (10, 3198768), (12, 2665640), (15, 2132512), (16, 1999230), (20, 1599384), (24, 1332820), (30, 1066256), (32, 999615), (40, 799692), (48, 666410), (60, 533128), (80, 399846), (96, 333205), (103, 310560), (120, 266564), (160, 199923), (206, 155280), (240, 133282), (309, 103520), (412, 77640), (480, 66641), (515, 62112), (618, 51760), (647, 49440), (824, 38820), (1030, 31056), (1236, 25880), (1294, 24720), (1545, 20704), (1648, 19410), (1941, 16480), (2060, 15528), (2472, 12940), (2588, 12360), (3090, 10352), (3235, 9888), (3296, 9705), (3882, 8240), (4120, 7764), (4944, 6470), (5176, 6180)]