128991720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7517}}^1$

素因数の和:7555

約数の個数: 128

約数和(自身を含む): 454688640

約数和(自身を除く): 325696920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 7517, 8580, 15034, 17160, 22551, 30068, 37585, 45102, 60136, 75170, 82687, 90204, 97721, 112755, 150340, 165374, 180408, 195442, 225510, 248061, 293163, 300680, 330748, 390884, 413435, 451020, 488605, 496122, 586326, 661496, 781768, 826870, 902040, 977210, 992244, 1074931, 1172652, 1240305, 1465815, 1653740, 1954420, 1984488, 2149862, 2345304, 2480610, 2931630, 3224793, 3307480, 3908840, 4299724, 4961220, 5374655, 5863260, 6449586, 8599448, 9922440, 10749310, 11726520, 12899172, 16123965, 21498620, 25798344, 32247930, 42997240, 64495860, 128991720]

約数ペア:

[(1, 128991720), (2, 64495860), (3, 42997240), (4, 32247930), (5, 25798344), (6, 21498620), (8, 16123965), (10, 12899172), (11, 11726520), (12, 10749310), (13, 9922440), (15, 8599448), (20, 6449586), (22, 5863260), (24, 5374655), (26, 4961220), (30, 4299724), (33, 3908840), (39, 3307480), (40, 3224793), (44, 2931630), (52, 2480610), (55, 2345304), (60, 2149862), (65, 1984488), (66, 1954420), (78, 1653740), (88, 1465815), (104, 1240305), (110, 1172652), (120, 1074931), (130, 992244), (132, 977210), (143, 902040), (156, 826870), (165, 781768), (195, 661496), (220, 586326), (260, 496122), (264, 488605), (286, 451020), (312, 413435), (330, 390884), (390, 330748), (429, 300680), (440, 293163), (520, 248061), (572, 225510), (660, 195442), (715, 180408), (780, 165374), (858, 150340), (1144, 112755), (1320, 97721), (1430, 90204), (1560, 82687), (1716, 75170), (2145, 60136), (2860, 45102), (3432, 37585), (4290, 30068), (5720, 22551), (7517, 17160), (8580, 15034)]