181342140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61681}}^1$

素因数の和:61707

約数の個数: 72

約数和(自身を含む): 590666832

約数和(自身を除く): 409324692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 61681, 123362, 185043, 246724, 308405, 370086, 431767, 616810, 740172, 863534, 925215, 1233620, 1295301, 1727068, 1850430, 2158835, 2590602, 3022369, 3700860, 4317670, 5181204, 6044738, 6476505, 8635340, 9067107, 12089476, 12953010, 15111845, 18134214, 25906020, 30223690, 36268428, 45335535, 60447380, 90671070, 181342140]

約数ペア:

[(1, 181342140), (2, 90671070), (3, 60447380), (4, 45335535), (5, 36268428), (6, 30223690), (7, 25906020), (10, 18134214), (12, 15111845), (14, 12953010), (15, 12089476), (20, 9067107), (21, 8635340), (28, 6476505), (30, 6044738), (35, 5181204), (42, 4317670), (49, 3700860), (60, 3022369), (70, 2590602), (84, 2158835), (98, 1850430), (105, 1727068), (140, 1295301), (147, 1233620), (196, 925215), (210, 863534), (245, 740172), (294, 616810), (420, 431767), (490, 370086), (588, 308405), (735, 246724), (980, 185043), (1470, 123362), (2940, 61681)]