78263920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8221}}^1$

素因数の和:8258

約数の個数: 80

約数和(自身を含む): 220218048

約数和(自身を除く): 141954128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 8221, 9520, 16442, 32884, 41105, 57547, 65768, 82210, 115094, 131536, 139757, 164420, 230188, 279514, 287735, 328840, 460376, 559028, 575470, 657680, 698785, 920752, 978299, 1118056, 1150940, 1397570, 1956598, 2236112, 2301880, 2795140, 3913196, 4603760, 4891495, 5590280, 7826392, 9782990, 11180560, 15652784, 19565980, 39131960, 78263920]

約数ペア:

[(1, 78263920), (2, 39131960), (4, 19565980), (5, 15652784), (7, 11180560), (8, 9782990), (10, 7826392), (14, 5590280), (16, 4891495), (17, 4603760), (20, 3913196), (28, 2795140), (34, 2301880), (35, 2236112), (40, 1956598), (56, 1397570), (68, 1150940), (70, 1118056), (80, 978299), (85, 920752), (112, 698785), (119, 657680), (136, 575470), (140, 559028), (170, 460376), (238, 328840), (272, 287735), (280, 279514), (340, 230188), (476, 164420), (560, 139757), (595, 131536), (680, 115094), (952, 82210), (1190, 65768), (1360, 57547), (1904, 41105), (2380, 32884), (4760, 16442), (8221, 9520)]