179809020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5519}}^1$

素因数の和:5715

約数の個数: 72

約数和(自身を含む): 548533440

約数和(自身を除く): 368724420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 5519, 6516, 8145, 10860, 11038, 16290, 16557, 22076, 27595, 32580, 33114, 49671, 55190, 66228, 82785, 99342, 110380, 165570, 198684, 248355, 331140, 496710, 993420, 998939, 1997878, 2996817, 3995756, 4994695, 5993634, 8990451, 9989390, 11987268, 14984085, 17980902, 19978780, 29968170, 35961804, 44952255, 59936340, 89904510, 179809020]

約数ペア:

[(1, 179809020), (2, 89904510), (3, 59936340), (4, 44952255), (5, 35961804), (6, 29968170), (9, 19978780), (10, 17980902), (12, 14984085), (15, 11987268), (18, 9989390), (20, 8990451), (30, 5993634), (36, 4994695), (45, 3995756), (60, 2996817), (90, 1997878), (180, 998939), (181, 993420), (362, 496710), (543, 331140), (724, 248355), (905, 198684), (1086, 165570), (1629, 110380), (1810, 99342), (2172, 82785), (2715, 66228), (3258, 55190), (3620, 49671), (5430, 33114), (5519, 32580), (6516, 27595), (8145, 22076), (10860, 16557), (11038, 16290)]