27721980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:401

約数の個数: 192

約数和(自身を含む): 101606400

約数和(自身を除く): 73884420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 90, 99, 108, 110, 117, 130, 132, 135, 143, 156, 165, 180, 195, 198, 220, 234, 260, 270, 286, 297, 330, 351, 359, 390, 396, 429, 468, 495, 540, 572, 585, 594, 660, 702, 715, 718, 780, 858, 990, 1077, 1170, 1188, 1287, 1404, 1430, 1436, 1485, 1716, 1755, 1795, 1980, 2145, 2154, 2340, 2574, 2860, 2970, 3231, 3510, 3590, 3861, 3949, 4290, 4308, 4667, 5148, 5385, 5940, 6435, 6462, 7020, 7180, 7722, 7898, 8580, 9334, 9693, 10770, 11847, 12870, 12924, 14001, 15444, 15796, 16155, 18668, 19305, 19386, 19745, 21540, 23335, 23694, 25740, 28002, 32310, 35541, 38610, 38772, 39490, 42003, 46670, 47388, 48465, 51337, 56004, 59235, 64620, 70005, 71082, 77220, 78980, 84006, 93340, 96930, 102674, 106623, 118470, 126009, 140010, 142164, 154011, 168012, 177705, 193860, 205348, 210015, 213246, 236940, 252018, 256685, 280020, 308022, 355410, 420030, 426492, 462033, 504036, 513370, 533115, 616044, 630045, 710820, 770055, 840060, 924066, 1026740, 1066230, 1260090, 1386099, 1540110, 1848132, 2132460, 2310165, 2520180, 2772198, 3080220, 4620330, 5544396, 6930495, 9240660, 13860990, 27721980]

約数ペア:

[(1, 27721980), (2, 13860990), (3, 9240660), (4, 6930495), (5, 5544396), (6, 4620330), (9, 3080220), (10, 2772198), (11, 2520180), (12, 2310165), (13, 2132460), (15, 1848132), (18, 1540110), (20, 1386099), (22, 1260090), (26, 1066230), (27, 1026740), (30, 924066), (33, 840060), (36, 770055), (39, 710820), (44, 630045), (45, 616044), (52, 533115), (54, 513370), (55, 504036), (60, 462033), (65, 426492), (66, 420030), (78, 355410), (90, 308022), (99, 280020), (108, 256685), (110, 252018), (117, 236940), (130, 213246), (132, 210015), (135, 205348), (143, 193860), (156, 177705), (165, 168012), (180, 154011), (195, 142164), (198, 140010), (220, 126009), (234, 118470), (260, 106623), (270, 102674), (286, 96930), (297, 93340), (330, 84006), (351, 78980), (359, 77220), (390, 71082), (396, 70005), (429, 64620), (468, 59235), (495, 56004), (540, 51337), (572, 48465), (585, 47388), (594, 46670), (660, 42003), (702, 39490), (715, 38772), (718, 38610), (780, 35541), (858, 32310), (990, 28002), (1077, 25740), (1170, 23694), (1188, 23335), (1287, 21540), (1404, 19745), (1430, 19386), (1436, 19305), (1485, 18668), (1716, 16155), (1755, 15796), (1795, 15444), (1980, 14001), (2145, 12924), (2154, 12870), (2340, 11847), (2574, 10770), (2860, 9693), (2970, 9334), (3231, 8580), (3510, 7898), (3590, 7722), (3861, 7180), (3949, 7020), (4290, 6462), (4308, 6435), (4667, 5940), (5148, 5385)]