31102312960

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{639439}}^1$

素因数の和:639481

約数の個数: 80

約数和(自身を含む): 78497654400

約数和(自身を除く): 47395341440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 6080, 9728, 12160, 24320, 48640, 639439, 1278878, 2557756, 3197195, 5115512, 6394390, 10231024, 12149341, 12788780, 20462048, 24298682, 25577560, 40924096, 48597364, 51155120, 60746705, 81848192, 97194728, 102310240, 121493410, 163696384, 194389456, 204620480, 242986820, 327392768, 388778912, 409240960, 485973640, 777557824, 818481920, 971947280, 1555115648, 1636963840, 1943894560, 3110231296, 3887789120, 6220462592, 7775578240, 15551156480, 31102312960]

約数ペア:

[(1, 31102312960), (2, 15551156480), (4, 7775578240), (5, 6220462592), (8, 3887789120), (10, 3110231296), (16, 1943894560), (19, 1636963840), (20, 1555115648), (32, 971947280), (38, 818481920), (40, 777557824), (64, 485973640), (76, 409240960), (80, 388778912), (95, 327392768), (128, 242986820), (152, 204620480), (160, 194389456), (190, 163696384), (256, 121493410), (304, 102310240), (320, 97194728), (380, 81848192), (512, 60746705), (608, 51155120), (640, 48597364), (760, 40924096), (1216, 25577560), (1280, 24298682), (1520, 20462048), (2432, 12788780), (2560, 12149341), (3040, 10231024), (4864, 6394390), (6080, 5115512), (9728, 3197195), (12160, 2557756), (24320, 1278878), (48640, 639439)]