27815680

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 68874624

約数和(自身を除く): 41058944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 701, 992, 1240, 1280, 1402, 1984, 2480, 2804, 3505, 3968, 4960, 5608, 7010, 7936, 9920, 11216, 14020, 19840, 21731, 22432, 28040, 39680, 43462, 44864, 56080, 86924, 89728, 108655, 112160, 173848, 179456, 217310, 224320, 347696, 434620, 448640, 695392, 869240, 897280, 1390784, 1738480, 2781568, 3476960, 5563136, 6953920, 13907840, 27815680]

約数ペア:

[(1, 27815680), (2, 13907840), (4, 6953920), (5, 5563136), (8, 3476960), (10, 2781568), (16, 1738480), (20, 1390784), (31, 897280), (32, 869240), (40, 695392), (62, 448640), (64, 434620), (80, 347696), (124, 224320), (128, 217310), (155, 179456), (160, 173848), (248, 112160), (256, 108655), (310, 89728), (320, 86924), (496, 56080), (620, 44864), (640, 43462), (701, 39680), (992, 28040), (1240, 22432), (1280, 21731), (1402, 19840), (1984, 14020), (2480, 11216), (2804, 9920), (3505, 7936), (3968, 7010), (4960, 5608)]