280362880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{62581}}^1$

素因数の和:62607

約数の個数: 64

約数和(自身を含む): 766003680

約数和(自身を除く): 485640800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 62581, 125162, 250324, 312905, 438067, 500648, 625810, 876134, 1001296, 1251620, 1752268, 2002592, 2190335, 2503240, 3504536, 4005184, 4380670, 5006480, 7009072, 8010368, 8761340, 10012960, 14018144, 17522680, 20025920, 28036288, 35045360, 40051840, 56072576, 70090720, 140181440, 280362880]

約数ペア:

[(1, 280362880), (2, 140181440), (4, 70090720), (5, 56072576), (7, 40051840), (8, 35045360), (10, 28036288), (14, 20025920), (16, 17522680), (20, 14018144), (28, 10012960), (32, 8761340), (35, 8010368), (40, 7009072), (56, 5006480), (64, 4380670), (70, 4005184), (80, 3504536), (112, 2503240), (128, 2190335), (140, 2002592), (160, 1752268), (224, 1251620), (280, 1001296), (320, 876134), (448, 625810), (560, 500648), (640, 438067), (896, 312905), (1120, 250324), (2240, 125162), (4480, 62581)]