220069620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39439}}^1$

素因数の和:39485

約数の個数: 72

約数和(自身を含む): 689095680

約数和(自身を除く): 469026060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 39439, 78878, 118317, 157756, 197195, 236634, 354951, 394390, 473268, 591585, 709902, 788780, 1183170, 1222609, 1419804, 1774755, 2366340, 2445218, 3549510, 3667827, 4890436, 6113045, 7099020, 7335654, 11003481, 12226090, 14671308, 18339135, 22006962, 24452180, 36678270, 44013924, 55017405, 73356540, 110034810, 220069620]

約数ペア:

[(1, 220069620), (2, 110034810), (3, 73356540), (4, 55017405), (5, 44013924), (6, 36678270), (9, 24452180), (10, 22006962), (12, 18339135), (15, 14671308), (18, 12226090), (20, 11003481), (30, 7335654), (31, 7099020), (36, 6113045), (45, 4890436), (60, 3667827), (62, 3549510), (90, 2445218), (93, 2366340), (124, 1774755), (155, 1419804), (180, 1222609), (186, 1183170), (279, 788780), (310, 709902), (372, 591585), (465, 473268), (558, 394390), (620, 354951), (930, 236634), (1116, 197195), (1395, 157756), (1860, 118317), (2790, 78878), (5580, 39439)]