217741160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1459}}^1$

素因数の和:1531

約数の個数: 128

約数和(自身を含む): 618105600

約数和(自身を除く): 400364440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 533, 574, 728, 820, 910, 1066, 1148, 1435, 1459, 1640, 1820, 2132, 2296, 2665, 2870, 2918, 3640, 3731, 4264, 5330, 5740, 5836, 7295, 7462, 10213, 10660, 11480, 11672, 14590, 14924, 18655, 18967, 20426, 21320, 29180, 29848, 37310, 37934, 40852, 51065, 58360, 59819, 74620, 75868, 81704, 94835, 102130, 119638, 132769, 149240, 151736, 189670, 204260, 239276, 265538, 299095, 379340, 408520, 418733, 478552, 531076, 598190, 663845, 758680, 777647, 837466, 1062152, 1196380, 1327690, 1555294, 1674932, 2093665, 2392760, 2655380, 3110588, 3349864, 3888235, 4187330, 5310760, 5443529, 6221176, 7776470, 8374660, 10887058, 15552940, 16749320, 21774116, 27217645, 31105880, 43548232, 54435290, 108870580, 217741160]

約数ペア:

[(1, 217741160), (2, 108870580), (4, 54435290), (5, 43548232), (7, 31105880), (8, 27217645), (10, 21774116), (13, 16749320), (14, 15552940), (20, 10887058), (26, 8374660), (28, 7776470), (35, 6221176), (40, 5443529), (41, 5310760), (52, 4187330), (56, 3888235), (65, 3349864), (70, 3110588), (82, 2655380), (91, 2392760), (104, 2093665), (130, 1674932), (140, 1555294), (164, 1327690), (182, 1196380), (205, 1062152), (260, 837466), (280, 777647), (287, 758680), (328, 663845), (364, 598190), (410, 531076), (455, 478552), (520, 418733), (533, 408520), (574, 379340), (728, 299095), (820, 265538), (910, 239276), (1066, 204260), (1148, 189670), (1435, 151736), (1459, 149240), (1640, 132769), (1820, 119638), (2132, 102130), (2296, 94835), (2665, 81704), (2870, 75868), (2918, 74620), (3640, 59819), (3731, 58360), (4264, 51065), (5330, 40852), (5740, 37934), (5836, 37310), (7295, 29848), (7462, 29180), (10213, 21320), (10660, 20426), (11480, 18967), (11672, 18655), (14590, 14924)]