30987480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13591}}^1$

素因数の和:13624

約数の個数: 64

約数和(自身を含む): 97862400

約数和(自身を除く): 66874920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 13591, 27182, 40773, 54364, 67955, 81546, 108728, 135910, 163092, 203865, 258229, 271820, 326184, 407730, 516458, 543640, 774687, 815460, 1032916, 1291145, 1549374, 1630920, 2065832, 2582290, 3098748, 3873435, 5164580, 6197496, 7746870, 10329160, 15493740, 30987480]

約数ペア:

[(1, 30987480), (2, 15493740), (3, 10329160), (4, 7746870), (5, 6197496), (6, 5164580), (8, 3873435), (10, 3098748), (12, 2582290), (15, 2065832), (19, 1630920), (20, 1549374), (24, 1291145), (30, 1032916), (38, 815460), (40, 774687), (57, 543640), (60, 516458), (76, 407730), (95, 326184), (114, 271820), (120, 258229), (152, 203865), (190, 163092), (228, 135910), (285, 108728), (380, 81546), (456, 67955), (570, 54364), (760, 40773), (1140, 27182), (2280, 13591)]