278075640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{121963}}^1$

素因数の和:121996

約数の個数: 64

約数和(自身を含む): 878140800

約数和(自身を除く): 600065160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 121963, 243926, 365889, 487852, 609815, 731778, 975704, 1219630, 1463556, 1829445, 2317297, 2439260, 2927112, 3658890, 4634594, 4878520, 6951891, 7317780, 9269188, 11586485, 13903782, 14635560, 18538376, 23172970, 27807564, 34759455, 46345940, 55615128, 69518910, 92691880, 139037820, 278075640]

約数ペア:

[(1, 278075640), (2, 139037820), (3, 92691880), (4, 69518910), (5, 55615128), (6, 46345940), (8, 34759455), (10, 27807564), (12, 23172970), (15, 18538376), (19, 14635560), (20, 13903782), (24, 11586485), (30, 9269188), (38, 7317780), (40, 6951891), (57, 4878520), (60, 4634594), (76, 3658890), (95, 2927112), (114, 2439260), (120, 2317297), (152, 1829445), (190, 1463556), (228, 1219630), (285, 975704), (380, 731778), (456, 609815), (570, 487852), (760, 365889), (1140, 243926), (2280, 121963)]