180200020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9001}}^1$

素因数の和:9041

約数の個数: 96

約数和(自身を含む): 508144896

約数和(自身を除く): 327944876

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, 9001, 10010, 18002, 20020, 36004, 45005, 63007, 90010, 99011, 117013, 126014, 180020, 198022, 234026, 252028, 315035, 396044, 468052, 495055, 585065, 630070, 693077, 819091, 990110, 1170130, 1260140, 1287143, 1386154, 1638182, 1980220, 2340260, 2574286, 2772308, 3276364, 3465385, 4095455, 5148572, 6435715, 6930770, 8190910, 9010001, 12871430, 13861540, 16381820, 18020002, 25742860, 36040004, 45050005, 90100010, 180200020]

約数ペア:

[(1, 180200020), (2, 90100010), (4, 45050005), (5, 36040004), (7, 25742860), (10, 18020002), (11, 16381820), (13, 13861540), (14, 12871430), (20, 9010001), (22, 8190910), (26, 6930770), (28, 6435715), (35, 5148572), (44, 4095455), (52, 3465385), (55, 3276364), (65, 2772308), (70, 2574286), (77, 2340260), (91, 1980220), (110, 1638182), (130, 1386154), (140, 1287143), (143, 1260140), (154, 1170130), (182, 990110), (220, 819091), (260, 693077), (286, 630070), (308, 585065), (364, 495055), (385, 468052), (455, 396044), (572, 315035), (715, 252028), (770, 234026), (910, 198022), (1001, 180020), (1430, 126014), (1540, 117013), (1820, 99011), (2002, 90010), (2860, 63007), (4004, 45005), (5005, 36004), (9001, 20020), (10010, 18002)]