721028480

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{66271}}^1$

素因数の和:66307

約数の個数: 64

約数和(自身を含む): 1825130880

約数和(自身を除く): 1104102400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 66271, 132542, 265084, 331355, 530168, 662710, 1060336, 1126607, 1325420, 2120672, 2253214, 2650840, 4241344, 4506428, 5301680, 5633035, 8482688, 9012856, 10603360, 11266070, 18025712, 21206720, 22532140, 36051424, 42413440, 45064280, 72102848, 90128560, 144205696, 180257120, 360514240, 721028480]

約数ペア:

[(1, 721028480), (2, 360514240), (4, 180257120), (5, 144205696), (8, 90128560), (10, 72102848), (16, 45064280), (17, 42413440), (20, 36051424), (32, 22532140), (34, 21206720), (40, 18025712), (64, 11266070), (68, 10603360), (80, 9012856), (85, 8482688), (128, 5633035), (136, 5301680), (160, 4506428), (170, 4241344), (272, 2650840), (320, 2253214), (340, 2120672), (544, 1325420), (640, 1126607), (680, 1060336), (1088, 662710), (1360, 530168), (2176, 331355), (2720, 265084), (5440, 132542), (10880, 66271)]