87464860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1181}}^1$

素因数の和:1243

約数の個数: 72

約数和(自身を含む): 219625056

約数和(自身を除く): 132160196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 529, 644, 805, 1058, 1181, 1610, 2116, 2362, 2645, 3220, 3703, 4724, 5290, 5905, 7406, 8267, 10580, 11810, 14812, 16534, 18515, 23620, 27163, 33068, 37030, 41335, 54326, 74060, 82670, 108652, 135815, 165340, 190141, 271630, 380282, 543260, 624749, 760564, 950705, 1249498, 1901410, 2498996, 3123745, 3802820, 4373243, 6247490, 8746486, 12494980, 17492972, 21866215, 43732430, 87464860]

約数ペア:

[(1, 87464860), (2, 43732430), (4, 21866215), (5, 17492972), (7, 12494980), (10, 8746486), (14, 6247490), (20, 4373243), (23, 3802820), (28, 3123745), (35, 2498996), (46, 1901410), (70, 1249498), (92, 950705), (115, 760564), (140, 624749), (161, 543260), (230, 380282), (322, 271630), (460, 190141), (529, 165340), (644, 135815), (805, 108652), (1058, 82670), (1181, 74060), (1610, 54326), (2116, 41335), (2362, 37030), (2645, 33068), (3220, 27163), (3703, 23620), (4724, 18515), (5290, 16534), (5905, 14812), (7406, 11810), (8267, 10580)]