204131460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261707}}^1$

素因数の和:261732

約数の個数: 48

約数和(自身を含む): 615537216

約数和(自身を除く): 411405756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 261707, 523414, 785121, 1046828, 1308535, 1570242, 2617070, 3140484, 3402191, 3925605, 5234140, 6804382, 7851210, 10206573, 13608764, 15702420, 17010955, 20413146, 34021910, 40826292, 51032865, 68043820, 102065730, 204131460]

約数ペア:

[(1, 204131460), (2, 102065730), (3, 68043820), (4, 51032865), (5, 40826292), (6, 34021910), (10, 20413146), (12, 17010955), (13, 15702420), (15, 13608764), (20, 10206573), (26, 7851210), (30, 6804382), (39, 5234140), (52, 3925605), (60, 3402191), (65, 3140484), (78, 2617070), (130, 1570242), (156, 1308535), (195, 1046828), (260, 785121), (390, 523414), (780, 261707)]