81912810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:668

約数の個数: 96

約数和(自身を含む): 231334272

約数和(自身を除く): 149421462

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 103, 105, 147, 206, 210, 245, 294, 309, 490, 515, 541, 618, 721, 735, 1030, 1082, 1442, 1470, 1545, 1623, 2163, 2705, 3090, 3246, 3605, 3787, 4326, 5047, 5410, 7210, 7574, 8115, 10094, 10815, 11361, 15141, 16230, 18935, 21630, 22722, 25235, 26509, 30282, 37870, 50470, 53018, 55723, 56805, 75705, 79527, 111446, 113610, 132545, 151410, 159054, 167169, 265090, 278615, 334338, 390061, 397635, 557230, 780122, 795270, 835845, 1170183, 1671690, 1950305, 2340366, 2730427, 3900610, 5460854, 5850915, 8191281, 11701830, 13652135, 16382562, 27304270, 40956405, 81912810]

約数ペア:

[(1, 81912810), (2, 40956405), (3, 27304270), (5, 16382562), (6, 13652135), (7, 11701830), (10, 8191281), (14, 5850915), (15, 5460854), (21, 3900610), (30, 2730427), (35, 2340366), (42, 1950305), (49, 1671690), (70, 1170183), (98, 835845), (103, 795270), (105, 780122), (147, 557230), (206, 397635), (210, 390061), (245, 334338), (294, 278615), (309, 265090), (490, 167169), (515, 159054), (541, 151410), (618, 132545), (721, 113610), (735, 111446), (1030, 79527), (1082, 75705), (1442, 56805), (1470, 55723), (1545, 53018), (1623, 50470), (2163, 37870), (2705, 30282), (3090, 26509), (3246, 25235), (3605, 22722), (3787, 21630), (4326, 18935), (5047, 16230), (5410, 15141), (7210, 11361), (7574, 10815), (8115, 10094)]