8478180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 28217280

約数和(自身を除く): 19739100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 67, 74, 76, 90, 95, 111, 114, 134, 148, 171, 180, 185, 190, 201, 222, 228, 268, 285, 333, 335, 342, 370, 380, 402, 444, 555, 570, 603, 666, 670, 684, 703, 740, 804, 855, 1005, 1110, 1140, 1206, 1273, 1332, 1340, 1406, 1665, 1710, 2010, 2109, 2220, 2412, 2479, 2546, 2812, 3015, 3330, 3420, 3515, 3819, 4020, 4218, 4958, 5092, 6030, 6327, 6365, 6660, 7030, 7437, 7638, 8436, 9916, 10545, 11457, 12060, 12395, 12654, 12730, 14060, 14874, 15276, 19095, 21090, 22311, 22914, 24790, 25308, 25460, 29748, 31635, 37185, 38190, 42180, 44622, 45828, 47101, 49580, 57285, 63270, 74370, 76380, 89244, 94202, 111555, 114570, 126540, 141303, 148740, 188404, 223110, 229140, 235505, 282606, 423909, 446220, 471010, 565212, 706515, 847818, 942020, 1413030, 1695636, 2119545, 2826060, 4239090, 8478180]

約数ペア:

[(1, 8478180), (2, 4239090), (3, 2826060), (4, 2119545), (5, 1695636), (6, 1413030), (9, 942020), (10, 847818), (12, 706515), (15, 565212), (18, 471010), (19, 446220), (20, 423909), (30, 282606), (36, 235505), (37, 229140), (38, 223110), (45, 188404), (57, 148740), (60, 141303), (67, 126540), (74, 114570), (76, 111555), (90, 94202), (95, 89244), (111, 76380), (114, 74370), (134, 63270), (148, 57285), (171, 49580), (180, 47101), (185, 45828), (190, 44622), (201, 42180), (222, 38190), (228, 37185), (268, 31635), (285, 29748), (333, 25460), (335, 25308), (342, 24790), (370, 22914), (380, 22311), (402, 21090), (444, 19095), (555, 15276), (570, 14874), (603, 14060), (666, 12730), (670, 12654), (684, 12395), (703, 12060), (740, 11457), (804, 10545), (855, 9916), (1005, 8436), (1110, 7638), (1140, 7437), (1206, 7030), (1273, 6660), (1332, 6365), (1340, 6327), (1406, 6030), (1665, 5092), (1710, 4958), (2010, 4218), (2109, 4020), (2220, 3819), (2412, 3515), (2479, 3420), (2546, 3330), (2812, 3015)]