8627582720

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{217429}}^1$

素因数の和:217481

約数の個数: 72

約数和(自身を含む): 21332492160

約数和(自身を除く): 12704909440

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, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 217429, 434858, 869716, 1087145, 1739432, 2174290, 3478864, 4348580, 6740299, 6957728, 8697160, 13480598, 13915456, 17394320, 26961196, 27830912, 33701495, 34788640, 53922392, 55661824, 67402990, 69577280, 107844784, 134805980, 139154560, 215689568, 269611960, 278309120, 431379136, 539223920, 862758272, 1078447840, 1725516544, 2156895680, 4313791360, 8627582720]

約数ペア:

[(1, 8627582720), (2, 4313791360), (4, 2156895680), (5, 1725516544), (8, 1078447840), (10, 862758272), (16, 539223920), (20, 431379136), (31, 278309120), (32, 269611960), (40, 215689568), (62, 139154560), (64, 134805980), (80, 107844784), (124, 69577280), (128, 67402990), (155, 55661824), (160, 53922392), (248, 34788640), (256, 33701495), (310, 27830912), (320, 26961196), (496, 17394320), (620, 13915456), (640, 13480598), (992, 8697160), (1240, 6957728), (1280, 6740299), (1984, 4348580), (2480, 3478864), (3968, 2174290), (4960, 1739432), (7936, 1087145), (9920, 869716), (19840, 434858), (39680, 217429)]