1561154640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89107}}^1$

素因数の和:89196

約数の個数: 80

約数和(自身を含む): 4905930048

約数和(自身を除く): 3344775408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 3504, 4380, 5840, 8760, 17520, 89107, 178214, 267321, 356428, 445535, 534642, 712856, 891070, 1069284, 1336605, 1425712, 1782140, 2138568, 2673210, 3564280, 4277136, 5346420, 6504811, 7128560, 10692840, 13009622, 19514433, 21385680, 26019244, 32524055, 39028866, 52038488, 65048110, 78057732, 97572165, 104076976, 130096220, 156115464, 195144330, 260192440, 312230928, 390288660, 520384880, 780577320, 1561154640]

約数ペア:

[(1, 1561154640), (2, 780577320), (3, 520384880), (4, 390288660), (5, 312230928), (6, 260192440), (8, 195144330), (10, 156115464), (12, 130096220), (15, 104076976), (16, 97572165), (20, 78057732), (24, 65048110), (30, 52038488), (40, 39028866), (48, 32524055), (60, 26019244), (73, 21385680), (80, 19514433), (120, 13009622), (146, 10692840), (219, 7128560), (240, 6504811), (292, 5346420), (365, 4277136), (438, 3564280), (584, 2673210), (730, 2138568), (876, 1782140), (1095, 1425712), (1168, 1336605), (1460, 1069284), (1752, 891070), (2190, 712856), (2920, 534642), (3504, 445535), (4380, 356428), (5840, 267321), (8760, 178214), (17520, 89107)]