18681720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1031}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 56471040

約数和(自身を除く): 37789320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 1031, 1208, 1510, 1812, 2062, 2265, 3020, 3093, 3624, 4124, 4530, 5155, 6040, 6186, 8248, 9060, 10310, 12372, 15465, 18120, 20620, 24744, 30930, 41240, 61860, 123720, 155681, 311362, 467043, 622724, 778405, 934086, 1245448, 1556810, 1868172, 2335215, 3113620, 3736344, 4670430, 6227240, 9340860, 18681720]

約数ペア:

[(1, 18681720), (2, 9340860), (3, 6227240), (4, 4670430), (5, 3736344), (6, 3113620), (8, 2335215), (10, 1868172), (12, 1556810), (15, 1245448), (20, 934086), (24, 778405), (30, 622724), (40, 467043), (60, 311362), (120, 155681), (151, 123720), (302, 61860), (453, 41240), (604, 30930), (755, 24744), (906, 20620), (1031, 18120), (1208, 15465), (1510, 12372), (1812, 10310), (2062, 9060), (2265, 8248), (3020, 6186), (3093, 6040), (3624, 5155), (4124, 4530)]