395640

素因数分解:

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

素因数の和:181

約数の個数: 96

約数和(自身を含む): 1478880

約数和(自身を除く): 1083240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 157, 168, 180, 210, 252, 280, 314, 315, 360, 420, 471, 504, 628, 630, 785, 840, 942, 1099, 1256, 1260, 1413, 1570, 1884, 2198, 2355, 2520, 2826, 3140, 3297, 3768, 4396, 4710, 5495, 5652, 6280, 6594, 7065, 8792, 9420, 9891, 10990, 11304, 13188, 14130, 16485, 18840, 19782, 21980, 26376, 28260, 32970, 39564, 43960, 49455, 56520, 65940, 79128, 98910, 131880, 197820, 395640]

約数ペア:

[(1, 395640), (2, 197820), (3, 131880), (4, 98910), (5, 79128), (6, 65940), (7, 56520), (8, 49455), (9, 43960), (10, 39564), (12, 32970), (14, 28260), (15, 26376), (18, 21980), (20, 19782), (21, 18840), (24, 16485), (28, 14130), (30, 13188), (35, 11304), (36, 10990), (40, 9891), (42, 9420), (45, 8792), (56, 7065), (60, 6594), (63, 6280), (70, 5652), (72, 5495), (84, 4710), (90, 4396), (105, 3768), (120, 3297), (126, 3140), (140, 2826), (157, 2520), (168, 2355), (180, 2198), (210, 1884), (252, 1570), (280, 1413), (314, 1260), (315, 1256), (360, 1099), (420, 942), (471, 840), (504, 785), (628, 630)]