81197730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 217945728

約数和(自身を除く): 136747998

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 97, 131, 142, 194, 213, 262, 291, 355, 393, 426, 485, 582, 639, 655, 710, 786, 873, 970, 1065, 1179, 1278, 1310, 1455, 1746, 1965, 2130, 2358, 2910, 3195, 3930, 4365, 5895, 6390, 6887, 8730, 9301, 11790, 12707, 13774, 18602, 20661, 25414, 27903, 34435, 38121, 41322, 46505, 55806, 61983, 63535, 68870, 76242, 83709, 93010, 103305, 114363, 123966, 127070, 139515, 167418, 190605, 206610, 228726, 279030, 309915, 381210, 418545, 571815, 619830, 837090, 902197, 1143630, 1804394, 2706591, 4510985, 5413182, 8119773, 9021970, 13532955, 16239546, 27065910, 40598865, 81197730]

約数ペア:

[(1, 81197730), (2, 40598865), (3, 27065910), (5, 16239546), (6, 13532955), (9, 9021970), (10, 8119773), (15, 5413182), (18, 4510985), (30, 2706591), (45, 1804394), (71, 1143630), (90, 902197), (97, 837090), (131, 619830), (142, 571815), (194, 418545), (213, 381210), (262, 309915), (291, 279030), (355, 228726), (393, 206610), (426, 190605), (485, 167418), (582, 139515), (639, 127070), (655, 123966), (710, 114363), (786, 103305), (873, 93010), (970, 83709), (1065, 76242), (1179, 68870), (1278, 63535), (1310, 61983), (1455, 55806), (1746, 46505), (1965, 41322), (2130, 38121), (2358, 34435), (2910, 27903), (3195, 25414), (3930, 20661), (4365, 18602), (5895, 13774), (6390, 12707), (6887, 11790), (8730, 9301)]