80521830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4889}}^1$

素因数の和:4966

約数の個数: 64

約数和(自身を含む): 218289600

約数和(自身を除く): 137767770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1098, 1647, 1830, 2745, 3294, 4889, 5490, 8235, 9778, 14667, 16470, 24445, 29334, 44001, 48890, 73335, 88002, 132003, 146670, 220005, 264006, 298229, 440010, 596458, 660015, 894687, 1320030, 1491145, 1789374, 2684061, 2982290, 4473435, 5368122, 8052183, 8946870, 13420305, 16104366, 26840610, 40260915, 80521830]

約数ペア:

[(1, 80521830), (2, 40260915), (3, 26840610), (5, 16104366), (6, 13420305), (9, 8946870), (10, 8052183), (15, 5368122), (18, 4473435), (27, 2982290), (30, 2684061), (45, 1789374), (54, 1491145), (61, 1320030), (90, 894687), (122, 660015), (135, 596458), (183, 440010), (270, 298229), (305, 264006), (366, 220005), (549, 146670), (610, 132003), (915, 88002), (1098, 73335), (1647, 48890), (1830, 44001), (2745, 29334), (3294, 24445), (4889, 16470), (5490, 14667), (8235, 9778)]