160791440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{619}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 398545920

約数和(自身を除く): 237754480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 191, 272, 340, 382, 619, 680, 764, 955, 1238, 1360, 1528, 1910, 2476, 3056, 3095, 3247, 3820, 4952, 6190, 6494, 7640, 9904, 10523, 12380, 12988, 15280, 16235, 21046, 24760, 25976, 32470, 42092, 49520, 51952, 52615, 64940, 84184, 105230, 118229, 129880, 168368, 210460, 236458, 259760, 420920, 472916, 591145, 841840, 945832, 1182290, 1891664, 2009893, 2364580, 4019786, 4729160, 8039572, 9458320, 10049465, 16079144, 20098930, 32158288, 40197860, 80395720, 160791440]

約数ペア:

[(1, 160791440), (2, 80395720), (4, 40197860), (5, 32158288), (8, 20098930), (10, 16079144), (16, 10049465), (17, 9458320), (20, 8039572), (34, 4729160), (40, 4019786), (68, 2364580), (80, 2009893), (85, 1891664), (136, 1182290), (170, 945832), (191, 841840), (272, 591145), (340, 472916), (382, 420920), (619, 259760), (680, 236458), (764, 210460), (955, 168368), (1238, 129880), (1360, 118229), (1528, 105230), (1910, 84184), (2476, 64940), (3056, 52615), (3095, 51952), (3247, 49520), (3820, 42092), (4952, 32470), (6190, 25976), (6494, 24760), (7640, 21046), (9904, 16235), (10523, 15280), (12380, 12988)]