438622720

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5527}}^1$

素因数の和:5581

約数の個数: 80

約数和(自身を含む): 1085787648

約数和(自身を除く): 647164928

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, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 5527, 7936, 9920, 11054, 15872, 19840, 22108, 27635, 39680, 44216, 55270, 79360, 88432, 110540, 171337, 176864, 221080, 342674, 353728, 442160, 685348, 707456, 856685, 884320, 1370696, 1414912, 1713370, 1768640, 2741392, 2829824, 3426740, 3537280, 5482784, 6853480, 7074560, 10965568, 13706960, 14149120, 21931136, 27413920, 43862272, 54827840, 87724544, 109655680, 219311360, 438622720]

約数ペア:

[(1, 438622720), (2, 219311360), (4, 109655680), (5, 87724544), (8, 54827840), (10, 43862272), (16, 27413920), (20, 21931136), (31, 14149120), (32, 13706960), (40, 10965568), (62, 7074560), (64, 6853480), (80, 5482784), (124, 3537280), (128, 3426740), (155, 2829824), (160, 2741392), (248, 1768640), (256, 1713370), (310, 1414912), (320, 1370696), (496, 884320), (512, 856685), (620, 707456), (640, 685348), (992, 442160), (1240, 353728), (1280, 342674), (1984, 221080), (2480, 176864), (2560, 171337), (3968, 110540), (4960, 88432), (5527, 79360), (7936, 55270), (9920, 44216), (11054, 39680), (15872, 27635), (19840, 22108)]