81925830

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{14449}}^1$

素因数の和:14475

約数の個数: 80

約数和(自身を含む): 251776800

約数和(自身を除く): 169850970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 5670, 14449, 28898, 43347, 72245, 86694, 101143, 130041, 144490, 202286, 216735, 260082, 303429, 390123, 433470, 505715, 606858, 650205, 780246, 910287, 1011430, 1170369, 1300410, 1517145, 1820574, 1950615, 2340738, 2730861, 3034290, 3901230, 4551435, 5461722, 5851845, 8192583, 9102870, 11703690, 13654305, 16385166, 27308610, 40962915, 81925830]

約数ペア:

[(1, 81925830), (2, 40962915), (3, 27308610), (5, 16385166), (6, 13654305), (7, 11703690), (9, 9102870), (10, 8192583), (14, 5851845), (15, 5461722), (18, 4551435), (21, 3901230), (27, 3034290), (30, 2730861), (35, 2340738), (42, 1950615), (45, 1820574), (54, 1517145), (63, 1300410), (70, 1170369), (81, 1011430), (90, 910287), (105, 780246), (126, 650205), (135, 606858), (162, 505715), (189, 433470), (210, 390123), (270, 303429), (315, 260082), (378, 216735), (405, 202286), (567, 144490), (630, 130041), (810, 101143), (945, 86694), (1134, 72245), (1890, 43347), (2835, 28898), (5670, 14449)]