51980940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2917}}^1$

素因数の和:2949

約数の個数: 120

約数和(自身を含む): 177951312

約数和(自身を除く): 125970372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1485, 1620, 1782, 1980, 2917, 2970, 3564, 4455, 5834, 5940, 8751, 8910, 11668, 14585, 17502, 17820, 26253, 29170, 32087, 35004, 43755, 52506, 58340, 64174, 78759, 87510, 96261, 105012, 128348, 131265, 157518, 160435, 175020, 192522, 236277, 262530, 288783, 315036, 320870, 385044, 393795, 472554, 481305, 525060, 577566, 641740, 787590, 866349, 945108, 962610, 1155132, 1181385, 1443915, 1575180, 1732698, 1925220, 2362770, 2599047, 2887830, 3465396, 4331745, 4725540, 5198094, 5775660, 8663490, 10396188, 12995235, 17326980, 25990470, 51980940]

約数ペア:

[(1, 51980940), (2, 25990470), (3, 17326980), (4, 12995235), (5, 10396188), (6, 8663490), (9, 5775660), (10, 5198094), (11, 4725540), (12, 4331745), (15, 3465396), (18, 2887830), (20, 2599047), (22, 2362770), (27, 1925220), (30, 1732698), (33, 1575180), (36, 1443915), (44, 1181385), (45, 1155132), (54, 962610), (55, 945108), (60, 866349), (66, 787590), (81, 641740), (90, 577566), (99, 525060), (108, 481305), (110, 472554), (132, 393795), (135, 385044), (162, 320870), (165, 315036), (180, 288783), (198, 262530), (220, 236277), (270, 192522), (297, 175020), (324, 160435), (330, 157518), (396, 131265), (405, 128348), (495, 105012), (540, 96261), (594, 87510), (660, 78759), (810, 64174), (891, 58340), (990, 52506), (1188, 43755), (1485, 35004), (1620, 32087), (1782, 29170), (1980, 26253), (2917, 17820), (2970, 17502), (3564, 14585), (4455, 11668), (5834, 8910), (5940, 8751)]