31246140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 91736064

約数和(自身を除く): 60489924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 107, 124, 155, 157, 186, 214, 310, 314, 321, 372, 428, 465, 471, 535, 620, 628, 642, 785, 930, 942, 1070, 1284, 1570, 1605, 1860, 1884, 2140, 2355, 3140, 3210, 3317, 4710, 4867, 6420, 6634, 9420, 9734, 9951, 13268, 14601, 16585, 16799, 19468, 19902, 24335, 29202, 33170, 33598, 39804, 48670, 49755, 50397, 58404, 66340, 67196, 73005, 83995, 97340, 99510, 100794, 146010, 167990, 199020, 201588, 251985, 292020, 335980, 503970, 520769, 1007940, 1041538, 1562307, 2083076, 2603845, 3124614, 5207690, 6249228, 7811535, 10415380, 15623070, 31246140]

約数ペア:

[(1, 31246140), (2, 15623070), (3, 10415380), (4, 7811535), (5, 6249228), (6, 5207690), (10, 3124614), (12, 2603845), (15, 2083076), (20, 1562307), (30, 1041538), (31, 1007940), (60, 520769), (62, 503970), (93, 335980), (107, 292020), (124, 251985), (155, 201588), (157, 199020), (186, 167990), (214, 146010), (310, 100794), (314, 99510), (321, 97340), (372, 83995), (428, 73005), (465, 67196), (471, 66340), (535, 58404), (620, 50397), (628, 49755), (642, 48670), (785, 39804), (930, 33598), (942, 33170), (1070, 29202), (1284, 24335), (1570, 19902), (1605, 19468), (1860, 16799), (1884, 16585), (2140, 14601), (2355, 13268), (3140, 9951), (3210, 9734), (3317, 9420), (4710, 6634), (4867, 6420)]