30794120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 80352000

約数和(自身を除く): 49557880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1549, 1988, 2485, 2840, 3098, 3976, 4970, 6196, 7745, 9940, 10843, 12392, 15490, 19880, 21686, 30980, 43372, 54215, 61960, 86744, 108430, 109979, 216860, 219958, 433720, 439916, 549895, 769853, 879832, 1099790, 1539706, 2199580, 3079412, 3849265, 4399160, 6158824, 7698530, 15397060, 30794120]

約数ペア:

[(1, 30794120), (2, 15397060), (4, 7698530), (5, 6158824), (7, 4399160), (8, 3849265), (10, 3079412), (14, 2199580), (20, 1539706), (28, 1099790), (35, 879832), (40, 769853), (56, 549895), (70, 439916), (71, 433720), (140, 219958), (142, 216860), (280, 109979), (284, 108430), (355, 86744), (497, 61960), (568, 54215), (710, 43372), (994, 30980), (1420, 21686), (1549, 19880), (1988, 15490), (2485, 12392), (2840, 10843), (3098, 9940), (3976, 7745), (4970, 6196)]