25619940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{449}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 78132600

約数和(自身を除く): 52512660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 317, 449, 634, 898, 951, 1268, 1347, 1585, 1796, 1902, 2245, 2694, 2853, 3170, 3804, 4041, 4490, 4755, 5388, 5706, 6340, 6735, 8082, 8980, 9510, 11412, 13470, 14265, 16164, 19020, 20205, 26940, 28530, 40410, 57060, 80820, 142333, 284666, 426999, 569332, 711665, 853998, 1280997, 1423330, 1707996, 2134995, 2561994, 2846660, 4269990, 5123988, 6404985, 8539980, 12809970, 25619940]

約数ペア:

[(1, 25619940), (2, 12809970), (3, 8539980), (4, 6404985), (5, 5123988), (6, 4269990), (9, 2846660), (10, 2561994), (12, 2134995), (15, 1707996), (18, 1423330), (20, 1280997), (30, 853998), (36, 711665), (45, 569332), (60, 426999), (90, 284666), (180, 142333), (317, 80820), (449, 57060), (634, 40410), (898, 28530), (951, 26940), (1268, 20205), (1347, 19020), (1585, 16164), (1796, 14265), (1902, 13470), (2245, 11412), (2694, 9510), (2853, 8980), (3170, 8082), (3804, 6735), (4041, 6340), (4490, 5706), (4755, 5388)]