123264990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4909}}^1$

素因数の和:4959

約数の個数: 80

約数和(自身を含む): 342207360

約数和(自身を除く): 218942370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 270, 279, 310, 405, 465, 558, 810, 837, 930, 1395, 1674, 2511, 2790, 4185, 4909, 5022, 8370, 9818, 12555, 14727, 24545, 25110, 29454, 44181, 49090, 73635, 88362, 132543, 147270, 152179, 220905, 265086, 304358, 397629, 441810, 456537, 662715, 760895, 795258, 913074, 1325430, 1369611, 1521790, 1988145, 2282685, 2739222, 3976290, 4108833, 4565370, 6848055, 8217666, 12326499, 13696110, 20544165, 24652998, 41088330, 61632495, 123264990]

約数ペア:

[(1, 123264990), (2, 61632495), (3, 41088330), (5, 24652998), (6, 20544165), (9, 13696110), (10, 12326499), (15, 8217666), (18, 6848055), (27, 4565370), (30, 4108833), (31, 3976290), (45, 2739222), (54, 2282685), (62, 1988145), (81, 1521790), (90, 1369611), (93, 1325430), (135, 913074), (155, 795258), (162, 760895), (186, 662715), (270, 456537), (279, 441810), (310, 397629), (405, 304358), (465, 265086), (558, 220905), (810, 152179), (837, 147270), (930, 132543), (1395, 88362), (1674, 73635), (2511, 49090), (2790, 44181), (4185, 29454), (4909, 25110), (5022, 24545), (8370, 14727), (9818, 12555)]