231185640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1753}}^1$

素因数の和:1931

約数の個数: 128

約数和(自身を含む): 798140160

約数和(自身を除く): 566954520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 628, 785, 840, 942, 1099, 1256, 1570, 1753, 1884, 2198, 2355, 3140, 3297, 3506, 3768, 4396, 4710, 5259, 5495, 6280, 6594, 7012, 8765, 8792, 9420, 10518, 10990, 12271, 13188, 14024, 16485, 17530, 18840, 21036, 21980, 24542, 26295, 26376, 32970, 35060, 36813, 42072, 43960, 49084, 52590, 61355, 65940, 70120, 73626, 98168, 105180, 122710, 131880, 147252, 184065, 210360, 245420, 275221, 294504, 368130, 490840, 550442, 736260, 825663, 1100884, 1376105, 1472520, 1651326, 1926547, 2201768, 2752210, 3302652, 3853094, 4128315, 5504420, 5779641, 6605304, 7706188, 8256630, 9632735, 11008840, 11559282, 15412376, 16513260, 19265470, 23118564, 28898205, 33026520, 38530940, 46237128, 57796410, 77061880, 115592820, 231185640]

約数ペア:

[(1, 231185640), (2, 115592820), (3, 77061880), (4, 57796410), (5, 46237128), (6, 38530940), (7, 33026520), (8, 28898205), (10, 23118564), (12, 19265470), (14, 16513260), (15, 15412376), (20, 11559282), (21, 11008840), (24, 9632735), (28, 8256630), (30, 7706188), (35, 6605304), (40, 5779641), (42, 5504420), (56, 4128315), (60, 3853094), (70, 3302652), (84, 2752210), (105, 2201768), (120, 1926547), (140, 1651326), (157, 1472520), (168, 1376105), (210, 1100884), (280, 825663), (314, 736260), (420, 550442), (471, 490840), (628, 368130), (785, 294504), (840, 275221), (942, 245420), (1099, 210360), (1256, 184065), (1570, 147252), (1753, 131880), (1884, 122710), (2198, 105180), (2355, 98168), (3140, 73626), (3297, 70120), (3506, 65940), (3768, 61355), (4396, 52590), (4710, 49084), (5259, 43960), (5495, 42072), (6280, 36813), (6594, 35060), (7012, 32970), (8765, 26376), (8792, 26295), (9420, 24542), (10518, 21980), (10990, 21036), (12271, 18840), (13188, 17530), (14024, 16485)]