81704910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1699}}^1$

素因数の和:1945

約数の個数: 64

約数和(自身を含む): 225216000

約数和(自身を除く): 143511090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 229, 458, 687, 1145, 1374, 1603, 1699, 2290, 3206, 3398, 3435, 4809, 5097, 6870, 8015, 8495, 9618, 10194, 11893, 16030, 16990, 23786, 24045, 25485, 35679, 48090, 50970, 59465, 71358, 118930, 178395, 356790, 389071, 778142, 1167213, 1945355, 2334426, 2723497, 3890710, 5446994, 5836065, 8170491, 11672130, 13617485, 16340982, 27234970, 40852455, 81704910]

約数ペア:

[(1, 81704910), (2, 40852455), (3, 27234970), (5, 16340982), (6, 13617485), (7, 11672130), (10, 8170491), (14, 5836065), (15, 5446994), (21, 3890710), (30, 2723497), (35, 2334426), (42, 1945355), (70, 1167213), (105, 778142), (210, 389071), (229, 356790), (458, 178395), (687, 118930), (1145, 71358), (1374, 59465), (1603, 50970), (1699, 48090), (2290, 35679), (3206, 25485), (3398, 24045), (3435, 23786), (4809, 16990), (5097, 16030), (6870, 11893), (8015, 10194), (8495, 9618)]