30515480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 73483200

約数和(自身を除く): 42967720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 809, 820, 920, 943, 1618, 1640, 1886, 3236, 3772, 4045, 4715, 6472, 7544, 8090, 9430, 16180, 18607, 18860, 32360, 33169, 37214, 37720, 66338, 74428, 93035, 132676, 148856, 165845, 186070, 265352, 331690, 372140, 663380, 744280, 762887, 1326760, 1525774, 3051548, 3814435, 6103096, 7628870, 15257740, 30515480]

約数ペア:

[(1, 30515480), (2, 15257740), (4, 7628870), (5, 6103096), (8, 3814435), (10, 3051548), (20, 1525774), (23, 1326760), (40, 762887), (41, 744280), (46, 663380), (82, 372140), (92, 331690), (115, 265352), (164, 186070), (184, 165845), (205, 148856), (230, 132676), (328, 93035), (410, 74428), (460, 66338), (809, 37720), (820, 37214), (920, 33169), (943, 32360), (1618, 18860), (1640, 18607), (1886, 16180), (3236, 9430), (3772, 8090), (4045, 7544), (4715, 6472)]