81959430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{881}}^1$

素因数の和:1341

約数の個数: 64

約数和(自身を含む): 225566208

約数和(自身を除く): 143606778

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 443, 881, 886, 1329, 1762, 2215, 2643, 2658, 3101, 4405, 4430, 5286, 6167, 6202, 6645, 8810, 9303, 12334, 13215, 13290, 15505, 18501, 18606, 26430, 30835, 31010, 37002, 46515, 61670, 92505, 93030, 185010, 390283, 780566, 1170849, 1951415, 2341698, 2731981, 3902830, 5463962, 5854245, 8195943, 11708490, 13659905, 16391886, 27319810, 40979715, 81959430]

約数ペア:

[(1, 81959430), (2, 40979715), (3, 27319810), (5, 16391886), (6, 13659905), (7, 11708490), (10, 8195943), (14, 5854245), (15, 5463962), (21, 3902830), (30, 2731981), (35, 2341698), (42, 1951415), (70, 1170849), (105, 780566), (210, 390283), (443, 185010), (881, 93030), (886, 92505), (1329, 61670), (1762, 46515), (2215, 37002), (2643, 31010), (2658, 30835), (3101, 26430), (4405, 18606), (4430, 18501), (5286, 15505), (6167, 13290), (6202, 13215), (6645, 12334), (8810, 9303)]