120485840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2620

約数の個数: 80

約数和(自身を含む): 304504320

約数和(自身を除く): 184018480

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, 2557, 2945, 4712, 5114, 5890, 9424, 10228, 11780, 12785, 20456, 23560, 25570, 40912, 47120, 48583, 51140, 79267, 97166, 102280, 158534, 194332, 204560, 242915, 317068, 388664, 396335, 485830, 634136, 777328, 792670, 971660, 1268272, 1506073, 1585340, 1943320, 3012146, 3170680, 3886640, 6024292, 6341360, 7530365, 12048584, 15060730, 24097168, 30121460, 60242920, 120485840]

約数ペア:

[(1, 120485840), (2, 60242920), (4, 30121460), (5, 24097168), (8, 15060730), (10, 12048584), (16, 7530365), (19, 6341360), (20, 6024292), (31, 3886640), (38, 3170680), (40, 3012146), (62, 1943320), (76, 1585340), (80, 1506073), (95, 1268272), (124, 971660), (152, 792670), (155, 777328), (190, 634136), (248, 485830), (304, 396335), (310, 388664), (380, 317068), (496, 242915), (589, 204560), (620, 194332), (760, 158534), (1178, 102280), (1240, 97166), (1520, 79267), (2356, 51140), (2480, 48583), (2557, 47120), (2945, 40912), (4712, 25570), (5114, 23560), (5890, 20456), (9424, 12785), (10228, 11780)]