31020990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1033}}^1$

素因数の和:1074

約数の個数: 128

約数和(自身を含む): 100058112

約数和(自身を除く): 69037122

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 55, 65, 66, 70, 77, 78, 91, 105, 110, 130, 143, 154, 165, 182, 195, 210, 231, 273, 286, 330, 385, 390, 429, 455, 462, 546, 715, 770, 858, 910, 1001, 1033, 1155, 1365, 1430, 2002, 2066, 2145, 2310, 2730, 3003, 3099, 4290, 5005, 5165, 6006, 6198, 7231, 10010, 10330, 11363, 13429, 14462, 15015, 15495, 21693, 22726, 26858, 30030, 30990, 34089, 36155, 40287, 43386, 56815, 67145, 68178, 72310, 79541, 80574, 94003, 108465, 113630, 134290, 147719, 159082, 170445, 188006, 201435, 216930, 238623, 282009, 295438, 340890, 397705, 402870, 443157, 470015, 477246, 564018, 738595, 795410, 886314, 940030, 1034033, 1193115, 1410045, 1477190, 2068066, 2215785, 2386230, 2820090, 3102099, 4431570, 5170165, 6204198, 10340330, 15510495, 31020990]

約数ペア:

[(1, 31020990), (2, 15510495), (3, 10340330), (5, 6204198), (6, 5170165), (7, 4431570), (10, 3102099), (11, 2820090), (13, 2386230), (14, 2215785), (15, 2068066), (21, 1477190), (22, 1410045), (26, 1193115), (30, 1034033), (33, 940030), (35, 886314), (39, 795410), (42, 738595), (55, 564018), (65, 477246), (66, 470015), (70, 443157), (77, 402870), (78, 397705), (91, 340890), (105, 295438), (110, 282009), (130, 238623), (143, 216930), (154, 201435), (165, 188006), (182, 170445), (195, 159082), (210, 147719), (231, 134290), (273, 113630), (286, 108465), (330, 94003), (385, 80574), (390, 79541), (429, 72310), (455, 68178), (462, 67145), (546, 56815), (715, 43386), (770, 40287), (858, 36155), (910, 34089), (1001, 30990), (1033, 30030), (1155, 26858), (1365, 22726), (1430, 21693), (2002, 15495), (2066, 15015), (2145, 14462), (2310, 13429), (2730, 11363), (3003, 10330), (3099, 10010), (4290, 7231), (5005, 6198), (5165, 6006)]