1978200

素因数分解:

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

素因数の和:186

約数の個数: 144

約数和(自身を含む): 7640880

約数和(自身を除く): 5662680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 157, 168, 175, 180, 200, 210, 225, 252, 280, 300, 314, 315, 350, 360, 420, 450, 471, 504, 525, 600, 628, 630, 700, 785, 840, 900, 942, 1050, 1099, 1256, 1260, 1400, 1413, 1570, 1575, 1800, 1884, 2100, 2198, 2355, 2520, 2826, 3140, 3150, 3297, 3768, 3925, 4200, 4396, 4710, 5495, 5652, 6280, 6300, 6594, 7065, 7850, 8792, 9420, 9891, 10990, 11304, 11775, 12600, 13188, 14130, 15700, 16485, 18840, 19782, 21980, 23550, 26376, 27475, 28260, 31400, 32970, 35325, 39564, 43960, 47100, 49455, 54950, 56520, 65940, 70650, 79128, 82425, 94200, 98910, 109900, 131880, 141300, 164850, 197820, 219800, 247275, 282600, 329700, 395640, 494550, 659400, 989100, 1978200]

約数ペア:

[(1, 1978200), (2, 989100), (3, 659400), (4, 494550), (5, 395640), (6, 329700), (7, 282600), (8, 247275), (9, 219800), (10, 197820), (12, 164850), (14, 141300), (15, 131880), (18, 109900), (20, 98910), (21, 94200), (24, 82425), (25, 79128), (28, 70650), (30, 65940), (35, 56520), (36, 54950), (40, 49455), (42, 47100), (45, 43960), (50, 39564), (56, 35325), (60, 32970), (63, 31400), (70, 28260), (72, 27475), (75, 26376), (84, 23550), (90, 21980), (100, 19782), (105, 18840), (120, 16485), (126, 15700), (140, 14130), (150, 13188), (157, 12600), (168, 11775), (175, 11304), (180, 10990), (200, 9891), (210, 9420), (225, 8792), (252, 7850), (280, 7065), (300, 6594), (314, 6300), (315, 6280), (350, 5652), (360, 5495), (420, 4710), (450, 4396), (471, 4200), (504, 3925), (525, 3768), (600, 3297), (628, 3150), (630, 3140), (700, 2826), (785, 2520), (840, 2355), (900, 2198), (942, 2100), (1050, 1884), (1099, 1800), (1256, 1575), (1260, 1570), (1400, 1413)]