81461490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7963}}^1$

素因数の和:8015

約数の個数: 64

約数和(自身を含む): 220188672

約数和(自身を除く): 138727182

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 55, 62, 66, 93, 110, 155, 165, 186, 310, 330, 341, 465, 682, 930, 1023, 1705, 2046, 3410, 5115, 7963, 10230, 15926, 23889, 39815, 47778, 79630, 87593, 119445, 175186, 238890, 246853, 262779, 437965, 493706, 525558, 740559, 875930, 1234265, 1313895, 1481118, 2468530, 2627790, 2715383, 3702795, 5430766, 7405590, 8146149, 13576915, 16292298, 27153830, 40730745, 81461490]

約数ペア:

[(1, 81461490), (2, 40730745), (3, 27153830), (5, 16292298), (6, 13576915), (10, 8146149), (11, 7405590), (15, 5430766), (22, 3702795), (30, 2715383), (31, 2627790), (33, 2468530), (55, 1481118), (62, 1313895), (66, 1234265), (93, 875930), (110, 740559), (155, 525558), (165, 493706), (186, 437965), (310, 262779), (330, 246853), (341, 238890), (465, 175186), (682, 119445), (930, 87593), (1023, 79630), (1705, 47778), (2046, 39815), (3410, 23889), (5115, 15926), (7963, 10230)]