153940840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1123}}^1$

素因数の和:1306

約数の個数: 64

約数和(自身を含む): 364176000

約数和(自身を除く): 210235160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 149, 184, 230, 298, 460, 596, 745, 920, 1123, 1192, 1490, 2246, 2980, 3427, 4492, 5615, 5960, 6854, 8984, 11230, 13708, 17135, 22460, 25829, 27416, 34270, 44920, 51658, 68540, 103316, 129145, 137080, 167327, 206632, 258290, 334654, 516580, 669308, 836635, 1033160, 1338616, 1673270, 3346540, 3848521, 6693080, 7697042, 15394084, 19242605, 30788168, 38485210, 76970420, 153940840]

約数ペア:

[(1, 153940840), (2, 76970420), (4, 38485210), (5, 30788168), (8, 19242605), (10, 15394084), (20, 7697042), (23, 6693080), (40, 3848521), (46, 3346540), (92, 1673270), (115, 1338616), (149, 1033160), (184, 836635), (230, 669308), (298, 516580), (460, 334654), (596, 258290), (745, 206632), (920, 167327), (1123, 137080), (1192, 129145), (1490, 103316), (2246, 68540), (2980, 51658), (3427, 44920), (4492, 34270), (5615, 27416), (5960, 25829), (6854, 22460), (8984, 17135), (11230, 13708)]