1918804920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{390001}}^1$

素因数の和:390056

約数の個数: 64

約数和(自身を含む): 5896830240

約数和(自身を除く): 3978025320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 390001, 780002, 1170003, 1560004, 1950005, 2340006, 3120008, 3900010, 4680012, 5850015, 7800020, 9360024, 11700030, 15600040, 15990041, 23400060, 31980082, 46800120, 47970123, 63960164, 79950205, 95940246, 127920328, 159900410, 191880492, 239850615, 319800820, 383760984, 479701230, 639601640, 959402460, 1918804920]

約数ペア:

[(1, 1918804920), (2, 959402460), (3, 639601640), (4, 479701230), (5, 383760984), (6, 319800820), (8, 239850615), (10, 191880492), (12, 159900410), (15, 127920328), (20, 95940246), (24, 79950205), (30, 63960164), (40, 47970123), (41, 46800120), (60, 31980082), (82, 23400060), (120, 15990041), (123, 15600040), (164, 11700030), (205, 9360024), (246, 7800020), (328, 5850015), (410, 4680012), (492, 3900010), (615, 3120008), (820, 2340006), (984, 1950005), (1230, 1560004), (1640, 1170003), (2460, 780002), (4920, 390001)]