315677360

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 751291200

約数和(自身を除く): 435613840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 149, 284, 298, 355, 373, 568, 596, 710, 745, 746, 1136, 1192, 1420, 1490, 1492, 1865, 2384, 2840, 2980, 2984, 3730, 5680, 5960, 5968, 7460, 10579, 11920, 14920, 21158, 26483, 29840, 42316, 52895, 52966, 55577, 84632, 105790, 105932, 111154, 132415, 169264, 211580, 211864, 222308, 264830, 277885, 423160, 423728, 444616, 529660, 555770, 846320, 889232, 1059320, 1111540, 2118640, 2223080, 3945967, 4446160, 7891934, 15783868, 19729835, 31567736, 39459670, 63135472, 78919340, 157838680, 315677360]

約数ペア:

[(1, 315677360), (2, 157838680), (4, 78919340), (5, 63135472), (8, 39459670), (10, 31567736), (16, 19729835), (20, 15783868), (40, 7891934), (71, 4446160), (80, 3945967), (142, 2223080), (149, 2118640), (284, 1111540), (298, 1059320), (355, 889232), (373, 846320), (568, 555770), (596, 529660), (710, 444616), (745, 423728), (746, 423160), (1136, 277885), (1192, 264830), (1420, 222308), (1490, 211864), (1492, 211580), (1865, 169264), (2384, 132415), (2840, 111154), (2980, 105932), (2984, 105790), (3730, 84632), (5680, 55577), (5960, 52966), (5968, 52895), (7460, 42316), (10579, 29840), (11920, 26483), (14920, 21158)]