154129520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3271}}^1$

素因数の和:3334

約数の個数: 80

約数和(自身を含む): 389498880

約数和(自身を除く): 235369360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 3271, 4712, 5890, 6542, 9424, 11780, 13084, 16355, 23560, 26168, 32710, 47120, 52336, 62149, 65420, 101401, 124298, 130840, 202802, 248596, 261680, 310745, 405604, 497192, 507005, 621490, 811208, 994384, 1014010, 1242980, 1622416, 1926619, 2028020, 2485960, 3853238, 4056040, 4971920, 7706476, 8112080, 9633095, 15412952, 19266190, 30825904, 38532380, 77064760, 154129520]

約数ペア:

[(1, 154129520), (2, 77064760), (4, 38532380), (5, 30825904), (8, 19266190), (10, 15412952), (16, 9633095), (19, 8112080), (20, 7706476), (31, 4971920), (38, 4056040), (40, 3853238), (62, 2485960), (76, 2028020), (80, 1926619), (95, 1622416), (124, 1242980), (152, 1014010), (155, 994384), (190, 811208), (248, 621490), (304, 507005), (310, 497192), (380, 405604), (496, 310745), (589, 261680), (620, 248596), (760, 202802), (1178, 130840), (1240, 124298), (1520, 101401), (2356, 65420), (2480, 62149), (2945, 52336), (3271, 47120), (4712, 32710), (5890, 26168), (6542, 23560), (9424, 16355), (11780, 13084)]