30456020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2621}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 74003328

約数和(自身を除く): 43547308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2621, 2905, 5242, 5810, 10484, 11620, 13105, 18347, 26210, 36694, 52420, 73388, 91735, 183470, 217543, 366940, 435086, 870172, 1087715, 1522801, 2175430, 3045602, 4350860, 6091204, 7614005, 15228010, 30456020]

約数ペア:

[(1, 30456020), (2, 15228010), (4, 7614005), (5, 6091204), (7, 4350860), (10, 3045602), (14, 2175430), (20, 1522801), (28, 1087715), (35, 870172), (70, 435086), (83, 366940), (140, 217543), (166, 183470), (332, 91735), (415, 73388), (581, 52420), (830, 36694), (1162, 26210), (1660, 18347), (2324, 13105), (2621, 11620), (2905, 10484), (5242, 5810)]