9905218380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{40853}}^1$

素因数の和:41320

約数の個数: 96

約数和(自身を含む): 30885624000

約数和(自身を除く): 20980405620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 449, 540, 898, 1347, 1796, 2245, 2694, 4041, 4490, 5388, 6735, 8082, 8980, 12123, 13470, 16164, 20205, 24246, 26940, 40410, 40853, 48492, 60615, 80820, 81706, 121230, 122559, 163412, 204265, 242460, 245118, 367677, 408530, 490236, 612795, 735354, 817060, 1103031, 1225590, 1470708, 1838385, 2206062, 2451180, 3676770, 4412124, 5515155, 7353540, 11030310, 18342997, 22060620, 36685994, 55028991, 73371988, 91714985, 110057982, 165086973, 183429970, 220115964, 275144955, 330173946, 366859940, 495260919, 550289910, 660347892, 825434865, 990521838, 1100579820, 1650869730, 1981043676, 2476304595, 3301739460, 4952609190, 9905218380]

約数ペア:

[(1, 9905218380), (2, 4952609190), (3, 3301739460), (4, 2476304595), (5, 1981043676), (6, 1650869730), (9, 1100579820), (10, 990521838), (12, 825434865), (15, 660347892), (18, 550289910), (20, 495260919), (27, 366859940), (30, 330173946), (36, 275144955), (45, 220115964), (54, 183429970), (60, 165086973), (90, 110057982), (108, 91714985), (135, 73371988), (180, 55028991), (270, 36685994), (449, 22060620), (540, 18342997), (898, 11030310), (1347, 7353540), (1796, 5515155), (2245, 4412124), (2694, 3676770), (4041, 2451180), (4490, 2206062), (5388, 1838385), (6735, 1470708), (8082, 1225590), (8980, 1103031), (12123, 817060), (13470, 735354), (16164, 612795), (20205, 490236), (24246, 408530), (26940, 367677), (40410, 245118), (40853, 242460), (48492, 204265), (60615, 163412), (80820, 122559), (81706, 121230)]