157933840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1568

約数の個数: 80

約数和(自身を含む): 388118016

約数和(自身を除く): 230184176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1481, 1720, 2480, 2666, 2962, 3440, 5332, 5924, 6665, 7405, 10664, 11848, 13330, 14810, 21328, 23696, 26660, 29620, 45911, 53320, 59240, 63683, 91822, 106640, 118480, 127366, 183644, 229555, 254732, 318415, 367288, 459110, 509464, 636830, 734576, 918220, 1018928, 1273660, 1836440, 1974173, 2547320, 3672880, 3948346, 5094640, 7896692, 9870865, 15793384, 19741730, 31586768, 39483460, 78966920, 157933840]

約数ペア:

[(1, 157933840), (2, 78966920), (4, 39483460), (5, 31586768), (8, 19741730), (10, 15793384), (16, 9870865), (20, 7896692), (31, 5094640), (40, 3948346), (43, 3672880), (62, 2547320), (80, 1974173), (86, 1836440), (124, 1273660), (155, 1018928), (172, 918220), (215, 734576), (248, 636830), (310, 509464), (344, 459110), (430, 367288), (496, 318415), (620, 254732), (688, 229555), (860, 183644), (1240, 127366), (1333, 118480), (1481, 106640), (1720, 91822), (2480, 63683), (2666, 59240), (2962, 53320), (3440, 45911), (5332, 29620), (5924, 26660), (6665, 23696), (7405, 21328), (10664, 14810), (11848, 13330)]