15939900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 108

約数和(自身を含む): 50778000

約数和(自身を除く): 34838100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 89, 90, 100, 150, 178, 180, 199, 225, 267, 300, 356, 398, 445, 450, 534, 597, 796, 801, 890, 900, 995, 1068, 1194, 1335, 1602, 1780, 1791, 1990, 2225, 2388, 2670, 2985, 3204, 3582, 3980, 4005, 4450, 4975, 5340, 5970, 6675, 7164, 8010, 8900, 8955, 9950, 11940, 13350, 14925, 16020, 17711, 17910, 19900, 20025, 26700, 29850, 35422, 35820, 40050, 44775, 53133, 59700, 70844, 80100, 88555, 89550, 106266, 159399, 177110, 179100, 212532, 265665, 318798, 354220, 442775, 531330, 637596, 796995, 885550, 1062660, 1328325, 1593990, 1771100, 2656650, 3187980, 3984975, 5313300, 7969950, 15939900]

約数ペア:

[(1, 15939900), (2, 7969950), (3, 5313300), (4, 3984975), (5, 3187980), (6, 2656650), (9, 1771100), (10, 1593990), (12, 1328325), (15, 1062660), (18, 885550), (20, 796995), (25, 637596), (30, 531330), (36, 442775), (45, 354220), (50, 318798), (60, 265665), (75, 212532), (89, 179100), (90, 177110), (100, 159399), (150, 106266), (178, 89550), (180, 88555), (199, 80100), (225, 70844), (267, 59700), (300, 53133), (356, 44775), (398, 40050), (445, 35820), (450, 35422), (534, 29850), (597, 26700), (796, 20025), (801, 19900), (890, 17910), (900, 17711), (995, 16020), (1068, 14925), (1194, 13350), (1335, 11940), (1602, 9950), (1780, 8955), (1791, 8900), (1990, 8010), (2225, 7164), (2388, 6675), (2670, 5970), (2985, 5340), (3204, 4975), (3582, 4450), (3980, 4005)]