8040054780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1\times {\mathrm{971}}^1$

素因数の和:1436

約数の個数: 144

約数和(自身を含む): 24652633824

約数和(自身を除く): 16612579044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 293, 314, 471, 586, 628, 785, 879, 942, 971, 1172, 1413, 1465, 1570, 1758, 1884, 1942, 2355, 2637, 2826, 2913, 2930, 3140, 3516, 3884, 4395, 4710, 4855, 5274, 5652, 5826, 5860, 7065, 8739, 8790, 9420, 9710, 10548, 11652, 13185, 14130, 14565, 17478, 17580, 19420, 26370, 28260, 29130, 34956, 43695, 46001, 52740, 58260, 87390, 92002, 138003, 152447, 174780, 184004, 230005, 276006, 284503, 304894, 414009, 457341, 460010, 552012, 569006, 609788, 690015, 762235, 828018, 853509, 914682, 920020, 1138012, 1372023, 1380030, 1422515, 1524470, 1656036, 1707018, 1829364, 2070045, 2286705, 2560527, 2744046, 2760060, 2845030, 3048940, 3414036, 4140090, 4267545, 4573410, 5121054, 5488092, 5690060, 6860115, 8280180, 8535090, 9146820, 10242108, 12802635, 13720230, 17070180, 25605270, 27440460, 44666971, 51210540, 89333942, 134000913, 178667884, 223334855, 268001826, 402002739, 446669710, 536003652, 670004565, 804005478, 893339420, 1340009130, 1608010956, 2010013695, 2680018260, 4020027390, 8040054780]

約数ペア:

[(1, 8040054780), (2, 4020027390), (3, 2680018260), (4, 2010013695), (5, 1608010956), (6, 1340009130), (9, 893339420), (10, 804005478), (12, 670004565), (15, 536003652), (18, 446669710), (20, 402002739), (30, 268001826), (36, 223334855), (45, 178667884), (60, 134000913), (90, 89333942), (157, 51210540), (180, 44666971), (293, 27440460), (314, 25605270), (471, 17070180), (586, 13720230), (628, 12802635), (785, 10242108), (879, 9146820), (942, 8535090), (971, 8280180), (1172, 6860115), (1413, 5690060), (1465, 5488092), (1570, 5121054), (1758, 4573410), (1884, 4267545), (1942, 4140090), (2355, 3414036), (2637, 3048940), (2826, 2845030), (2913, 2760060), (2930, 2744046), (3140, 2560527), (3516, 2286705), (3884, 2070045), (4395, 1829364), (4710, 1707018), (4855, 1656036), (5274, 1524470), (5652, 1422515), (5826, 1380030), (5860, 1372023), (7065, 1138012), (8739, 920020), (8790, 914682), (9420, 853509), (9710, 828018), (10548, 762235), (11652, 690015), (13185, 609788), (14130, 569006), (14565, 552012), (17478, 460010), (17580, 457341), (19420, 414009), (26370, 304894), (28260, 284503), (29130, 276006), (34956, 230005), (43695, 184004), (46001, 174780), (52740, 152447), (58260, 138003), (87390, 92002)]