155971620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123787}}^1$

素因数の和:123809

約数の個数: 72

約数和(自身を含む): 540705984

約数和(自身を除く): 384734364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 123787, 247574, 371361, 495148, 618935, 742722, 866509, 1114083, 1237870, 1485444, 1733018, 1856805, 2228166, 2475740, 2599527, 3466036, 3713610, 4332545, 4456332, 5199054, 5570415, 7427220, 7798581, 8665090, 10398108, 11140830, 12997635, 15597162, 17330180, 22281660, 25995270, 31194324, 38992905, 51990540, 77985810, 155971620]

約数ペア:

[(1, 155971620), (2, 77985810), (3, 51990540), (4, 38992905), (5, 31194324), (6, 25995270), (7, 22281660), (9, 17330180), (10, 15597162), (12, 12997635), (14, 11140830), (15, 10398108), (18, 8665090), (20, 7798581), (21, 7427220), (28, 5570415), (30, 5199054), (35, 4456332), (36, 4332545), (42, 3713610), (45, 3466036), (60, 2599527), (63, 2475740), (70, 2228166), (84, 1856805), (90, 1733018), (105, 1485444), (126, 1237870), (140, 1114083), (180, 866509), (210, 742722), (252, 618935), (315, 495148), (420, 371361), (630, 247574), (1260, 123787)]