80393940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2137}}^1$

素因数の和:2182

約数の個数: 144

約数和(自身を含む): 280163520

約数和(自身を除く): 199769580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1881, 1980, 2090, 2137, 2508, 3135, 3420, 3762, 4180, 4274, 6270, 6411, 7524, 8548, 9405, 10685, 12540, 12822, 18810, 19233, 21370, 23507, 25644, 32055, 37620, 38466, 40603, 42740, 47014, 64110, 70521, 76932, 81206, 94028, 96165, 117535, 121809, 128220, 141042, 162412, 192330, 203015, 211563, 235070, 243618, 282084, 352605, 365427, 384660, 406030, 423126, 446633, 470140, 487236, 609045, 705210, 730854, 812060, 846252, 893266, 1057815, 1218090, 1339899, 1410420, 1461708, 1786532, 1827135, 2115630, 2233165, 2436180, 2679798, 3654270, 4019697, 4231260, 4466330, 5359596, 6699495, 7308540, 8039394, 8932660, 13398990, 16078788, 20098485, 26797980, 40196970, 80393940]

約数ペア:

[(1, 80393940), (2, 40196970), (3, 26797980), (4, 20098485), (5, 16078788), (6, 13398990), (9, 8932660), (10, 8039394), (11, 7308540), (12, 6699495), (15, 5359596), (18, 4466330), (19, 4231260), (20, 4019697), (22, 3654270), (30, 2679798), (33, 2436180), (36, 2233165), (38, 2115630), (44, 1827135), (45, 1786532), (55, 1461708), (57, 1410420), (60, 1339899), (66, 1218090), (76, 1057815), (90, 893266), (95, 846252), (99, 812060), (110, 730854), (114, 705210), (132, 609045), (165, 487236), (171, 470140), (180, 446633), (190, 423126), (198, 406030), (209, 384660), (220, 365427), (228, 352605), (285, 282084), (330, 243618), (342, 235070), (380, 211563), (396, 203015), (418, 192330), (495, 162412), (570, 141042), (627, 128220), (660, 121809), (684, 117535), (836, 96165), (855, 94028), (990, 81206), (1045, 76932), (1140, 70521), (1254, 64110), (1710, 47014), (1881, 42740), (1980, 40603), (2090, 38466), (2137, 37620), (2508, 32055), (3135, 25644), (3420, 23507), (3762, 21370), (4180, 19233), (4274, 18810), (6270, 12822), (6411, 12540), (7524, 10685), (8548, 9405)]