180159980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8999}}^1$

素因数の和:9039

約数の個数: 96

約数和(自身を含む): 508032000

約数和(自身を除く): 327872020

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 8999, 10010, 17998, 20020, 35996, 44995, 62993, 89990, 98989, 116987, 125986, 179980, 197978, 233974, 251972, 314965, 395956, 467948, 494945, 584935, 629930, 692923, 818909, 989890, 1169870, 1259860, 1286857, 1385846, 1637818, 1979780, 2339740, 2573714, 2771692, 3275636, 3464615, 4094545, 5147428, 6434285, 6929230, 8189090, 9007999, 12868570, 13858460, 16378180, 18015998, 25737140, 36031996, 45039995, 90079990, 180159980]

約数ペア:

[(1, 180159980), (2, 90079990), (4, 45039995), (5, 36031996), (7, 25737140), (10, 18015998), (11, 16378180), (13, 13858460), (14, 12868570), (20, 9007999), (22, 8189090), (26, 6929230), (28, 6434285), (35, 5147428), (44, 4094545), (52, 3464615), (55, 3275636), (65, 2771692), (70, 2573714), (77, 2339740), (91, 1979780), (110, 1637818), (130, 1385846), (140, 1286857), (143, 1259860), (154, 1169870), (182, 989890), (220, 818909), (260, 692923), (286, 629930), (308, 584935), (364, 494945), (385, 467948), (455, 395956), (572, 314965), (715, 251972), (770, 233974), (910, 197978), (1001, 179980), (1430, 125986), (1540, 116987), (1820, 98989), (2002, 89990), (2860, 62993), (4004, 44995), (5005, 35996), (8999, 20020), (10010, 17998)]