622142720

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15679}}^1$

素因数の和:15731

約数の個数: 72

約数和(自身を含む): 1538396160

約数和(自身を除く): 916253440

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, 15679, 19840, 31358, 39680, 62716, 78395, 125432, 156790, 250864, 313580, 486049, 501728, 627160, 972098, 1003456, 1254320, 1944196, 2006912, 2430245, 2508640, 3888392, 4013824, 4860490, 5017280, 7776784, 9720980, 10034560, 15553568, 19441960, 20069120, 31107136, 38883920, 62214272, 77767840, 124428544, 155535680, 311071360, 622142720]

約数ペア:

[(1, 622142720), (2, 311071360), (4, 155535680), (5, 124428544), (8, 77767840), (10, 62214272), (16, 38883920), (20, 31107136), (31, 20069120), (32, 19441960), (40, 15553568), (62, 10034560), (64, 9720980), (80, 7776784), (124, 5017280), (128, 4860490), (155, 4013824), (160, 3888392), (248, 2508640), (256, 2430245), (310, 2006912), (320, 1944196), (496, 1254320), (620, 1003456), (640, 972098), (992, 627160), (1240, 501728), (1280, 486049), (1984, 313580), (2480, 250864), (3968, 156790), (4960, 125432), (7936, 78395), (9920, 62716), (15679, 39680), (19840, 31358)]