71819820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2089}}^1$

素因数の和:2295

約数の個数: 72

約数和(自身を含む): 219098880

約数和(自身を除く): 147279060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 955, 1146, 1719, 1910, 2089, 2292, 2865, 3438, 3820, 4178, 5730, 6267, 6876, 8356, 8595, 10445, 11460, 12534, 17190, 18801, 20890, 25068, 31335, 34380, 37602, 41780, 62670, 75204, 94005, 125340, 188010, 376020, 398999, 797998, 1196997, 1595996, 1994995, 2393994, 3590991, 3989990, 4787988, 5984985, 7181982, 7979980, 11969970, 14363964, 17954955, 23939940, 35909910, 71819820]

約数ペア:

[(1, 71819820), (2, 35909910), (3, 23939940), (4, 17954955), (5, 14363964), (6, 11969970), (9, 7979980), (10, 7181982), (12, 5984985), (15, 4787988), (18, 3989990), (20, 3590991), (30, 2393994), (36, 1994995), (45, 1595996), (60, 1196997), (90, 797998), (180, 398999), (191, 376020), (382, 188010), (573, 125340), (764, 94005), (955, 75204), (1146, 62670), (1719, 41780), (1910, 37602), (2089, 34380), (2292, 31335), (2865, 25068), (3438, 20890), (3820, 18801), (4178, 17190), (5730, 12534), (6267, 11460), (6876, 10445), (8356, 8595)]