168011220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{215399}}^1$

素因数の和:215424

約数の個数: 48

約数和(自身を含む): 506620800

約数和(自身を除く): 338609580

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, 215399, 430798, 646197, 861596, 1076995, 1292394, 2153990, 2584788, 2800187, 3230985, 4307980, 5600374, 6461970, 8400561, 11200748, 12923940, 14000935, 16801122, 28001870, 33602244, 42002805, 56003740, 84005610, 168011220]

約数ペア:

[(1, 168011220), (2, 84005610), (3, 56003740), (4, 42002805), (5, 33602244), (6, 28001870), (10, 16801122), (12, 14000935), (13, 12923940), (15, 11200748), (20, 8400561), (26, 6461970), (30, 5600374), (39, 4307980), (52, 3230985), (60, 2800187), (65, 2584788), (78, 2153990), (130, 1292394), (156, 1076995), (195, 861596), (260, 646197), (390, 430798), (780, 215399)]