31115070

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 96353280

約数和(自身を除く): 65238210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 101, 105, 126, 135, 163, 189, 202, 210, 270, 303, 315, 326, 378, 489, 505, 606, 630, 707, 815, 909, 945, 978, 1010, 1141, 1414, 1467, 1515, 1630, 1818, 1890, 2121, 2282, 2445, 2727, 2934, 3030, 3423, 3535, 4242, 4401, 4545, 4890, 5454, 5705, 6363, 6846, 7070, 7335, 8802, 9090, 10269, 10605, 11410, 12726, 13635, 14670, 16463, 17115, 19089, 20538, 21210, 22005, 27270, 30807, 31815, 32926, 34230, 38178, 44010, 49389, 51345, 61614, 63630, 82315, 95445, 98778, 102690, 115241, 148167, 154035, 164630, 190890, 230482, 246945, 296334, 308070, 345723, 444501, 493890, 576205, 691446, 740835, 889002, 1037169, 1152410, 1481670, 1728615, 2074338, 2222505, 3111507, 3457230, 4445010, 5185845, 6223014, 10371690, 15557535, 31115070]

約数ペア:

[(1, 31115070), (2, 15557535), (3, 10371690), (5, 6223014), (6, 5185845), (7, 4445010), (9, 3457230), (10, 3111507), (14, 2222505), (15, 2074338), (18, 1728615), (21, 1481670), (27, 1152410), (30, 1037169), (35, 889002), (42, 740835), (45, 691446), (54, 576205), (63, 493890), (70, 444501), (90, 345723), (101, 308070), (105, 296334), (126, 246945), (135, 230482), (163, 190890), (189, 164630), (202, 154035), (210, 148167), (270, 115241), (303, 102690), (315, 98778), (326, 95445), (378, 82315), (489, 63630), (505, 61614), (606, 51345), (630, 49389), (707, 44010), (815, 38178), (909, 34230), (945, 32926), (978, 31815), (1010, 30807), (1141, 27270), (1414, 22005), (1467, 21210), (1515, 20538), (1630, 19089), (1818, 17115), (1890, 16463), (2121, 14670), (2282, 13635), (2445, 12726), (2727, 11410), (2934, 10605), (3030, 10269), (3423, 9090), (3535, 8802), (4242, 7335), (4401, 7070), (4545, 6846), (4890, 6363), (5454, 5705)]