72777880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4261}}^1$

素因数の和:4340

約数の個数: 64

約数和(自身を含む): 190255680

約数和(自身を除く): 117477800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4261, 4270, 8522, 8540, 17044, 17080, 21305, 29827, 34088, 42610, 59654, 85220, 119308, 149135, 170440, 238616, 259921, 298270, 519842, 596540, 1039684, 1193080, 1299605, 1819447, 2079368, 2599210, 3638894, 5198420, 7277788, 9097235, 10396840, 14555576, 18194470, 36388940, 72777880]

約数ペア:

[(1, 72777880), (2, 36388940), (4, 18194470), (5, 14555576), (7, 10396840), (8, 9097235), (10, 7277788), (14, 5198420), (20, 3638894), (28, 2599210), (35, 2079368), (40, 1819447), (56, 1299605), (61, 1193080), (70, 1039684), (122, 596540), (140, 519842), (244, 298270), (280, 259921), (305, 238616), (427, 170440), (488, 149135), (610, 119308), (854, 85220), (1220, 59654), (1708, 42610), (2135, 34088), (2440, 29827), (3416, 21305), (4261, 17080), (4270, 17044), (8522, 8540)]