81155130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5443}}^1$

素因数の和:5531

約数の個数: 64

約数和(自身を含む): 225773568

約数和(自身を除く): 144618438

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1491, 2130, 2485, 2982, 4970, 5443, 7455, 10886, 14910, 16329, 27215, 32658, 38101, 54430, 76202, 81645, 114303, 163290, 190505, 228606, 381010, 386453, 571515, 772906, 1143030, 1159359, 1932265, 2318718, 2705171, 3864530, 5410342, 5796795, 8115513, 11593590, 13525855, 16231026, 27051710, 40577565, 81155130]

約数ペア:

[(1, 81155130), (2, 40577565), (3, 27051710), (5, 16231026), (6, 13525855), (7, 11593590), (10, 8115513), (14, 5796795), (15, 5410342), (21, 3864530), (30, 2705171), (35, 2318718), (42, 1932265), (70, 1159359), (71, 1143030), (105, 772906), (142, 571515), (210, 386453), (213, 381010), (355, 228606), (426, 190505), (497, 163290), (710, 114303), (994, 81645), (1065, 76202), (1491, 54430), (2130, 38101), (2485, 32658), (2982, 27215), (4970, 16329), (5443, 14910), (7455, 10886)]