81480030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{449}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 205286400

約数和(自身を除く): 123806370

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 263, 345, 449, 526, 690, 789, 898, 1315, 1347, 1578, 2245, 2630, 2694, 3945, 4490, 6049, 6735, 7890, 10327, 12098, 13470, 18147, 20654, 30245, 30981, 36294, 51635, 60490, 61962, 90735, 103270, 118087, 154905, 181470, 236174, 309810, 354261, 590435, 708522, 1180870, 1771305, 2716001, 3542610, 5432002, 8148003, 13580005, 16296006, 27160010, 40740015, 81480030]

約数ペア:

[(1, 81480030), (2, 40740015), (3, 27160010), (5, 16296006), (6, 13580005), (10, 8148003), (15, 5432002), (23, 3542610), (30, 2716001), (46, 1771305), (69, 1180870), (115, 708522), (138, 590435), (230, 354261), (263, 309810), (345, 236174), (449, 181470), (526, 154905), (690, 118087), (789, 103270), (898, 90735), (1315, 61962), (1347, 60490), (1578, 51635), (2245, 36294), (2630, 30981), (2694, 30245), (3945, 20654), (4490, 18147), (6049, 13470), (6735, 12098), (7890, 10327)]