81631620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 288

約数和(自身を含む): 310722048

約数和(自身を除く): 229090428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 37, 42, 45, 51, 60, 63, 68, 70, 74, 84, 85, 90, 102, 103, 105, 111, 119, 126, 140, 148, 153, 170, 180, 185, 204, 206, 210, 222, 238, 252, 255, 259, 306, 309, 315, 333, 340, 357, 370, 412, 420, 444, 476, 510, 515, 518, 555, 595, 612, 618, 629, 630, 666, 714, 721, 740, 765, 777, 927, 1020, 1030, 1036, 1071, 1110, 1190, 1236, 1258, 1260, 1295, 1332, 1428, 1442, 1530, 1545, 1554, 1665, 1751, 1785, 1854, 1887, 2060, 2142, 2163, 2220, 2331, 2380, 2516, 2590, 2884, 3060, 3090, 3108, 3145, 3330, 3502, 3570, 3605, 3708, 3774, 3811, 3885, 4284, 4326, 4403, 4635, 4662, 5180, 5253, 5355, 5661, 6180, 6290, 6489, 6660, 7004, 7140, 7210, 7548, 7622, 7770, 8652, 8755, 8806, 9270, 9324, 9435, 10506, 10710, 10815, 11322, 11433, 11655, 12257, 12580, 12978, 13209, 14420, 15244, 15540, 15759, 17510, 17612, 18540, 18870, 19055, 21012, 21420, 21630, 22015, 22644, 22866, 23310, 24514, 25956, 26265, 26418, 26677, 28305, 31518, 32445, 34299, 35020, 36771, 37740, 38110, 39627, 43260, 44030, 45732, 46620, 49028, 52530, 52836, 53354, 56610, 57165, 61285, 63036, 64787, 64890, 66045, 68598, 73542, 76220, 78795, 79254, 80031, 88060, 105060, 106708, 110313, 113220, 114330, 122570, 129574, 129780, 132090, 133385, 137196, 147084, 157590, 158508, 160062, 171495, 183855, 194361, 198135, 220626, 228660, 240093, 245140, 259148, 264180, 266770, 315180, 320124, 323935, 342990, 367710, 388722, 396270, 400155, 441252, 453509, 480186, 533540, 551565, 583083, 647870, 685980, 735420, 777444, 792540, 800310, 907018, 960372, 971805, 1103130, 1166166, 1200465, 1295740, 1360527, 1600620, 1814036, 1943610, 2206260, 2267545, 2332332, 2400930, 2721054, 2915415, 3887220, 4081581, 4535090, 4801860, 5442108, 5830830, 6802635, 8163162, 9070180, 11661660, 13605270, 16326324, 20407905, 27210540, 40815810, 81631620]

約数ペア:

[(1, 81631620), (2, 40815810), (3, 27210540), (4, 20407905), (5, 16326324), (6, 13605270), (7, 11661660), (9, 9070180), (10, 8163162), (12, 6802635), (14, 5830830), (15, 5442108), (17, 4801860), (18, 4535090), (20, 4081581), (21, 3887220), (28, 2915415), (30, 2721054), (34, 2400930), (35, 2332332), (36, 2267545), (37, 2206260), (42, 1943610), (45, 1814036), (51, 1600620), (60, 1360527), (63, 1295740), (68, 1200465), (70, 1166166), (74, 1103130), (84, 971805), (85, 960372), (90, 907018), (102, 800310), (103, 792540), (105, 777444), (111, 735420), (119, 685980), (126, 647870), (140, 583083), (148, 551565), (153, 533540), (170, 480186), (180, 453509), (185, 441252), (204, 400155), (206, 396270), (210, 388722), (222, 367710), (238, 342990), (252, 323935), (255, 320124), (259, 315180), (306, 266770), (309, 264180), (315, 259148), (333, 245140), (340, 240093), (357, 228660), (370, 220626), (412, 198135), (420, 194361), (444, 183855), (476, 171495), (510, 160062), (515, 158508), (518, 157590), (555, 147084), (595, 137196), (612, 133385), (618, 132090), (629, 129780), (630, 129574), (666, 122570), (714, 114330), (721, 113220), (740, 110313), (765, 106708), (777, 105060), (927, 88060), (1020, 80031), (1030, 79254), (1036, 78795), (1071, 76220), (1110, 73542), (1190, 68598), (1236, 66045), (1258, 64890), (1260, 64787), (1295, 63036), (1332, 61285), (1428, 57165), (1442, 56610), (1530, 53354), (1545, 52836), (1554, 52530), (1665, 49028), (1751, 46620), (1785, 45732), (1854, 44030), (1887, 43260), (2060, 39627), (2142, 38110), (2163, 37740), (2220, 36771), (2331, 35020), (2380, 34299), (2516, 32445), (2590, 31518), (2884, 28305), (3060, 26677), (3090, 26418), (3108, 26265), (3145, 25956), (3330, 24514), (3502, 23310), (3570, 22866), (3605, 22644), (3708, 22015), (3774, 21630), (3811, 21420), (3885, 21012), (4284, 19055), (4326, 18870), (4403, 18540), (4635, 17612), (4662, 17510), (5180, 15759), (5253, 15540), (5355, 15244), (5661, 14420), (6180, 13209), (6290, 12978), (6489, 12580), (6660, 12257), (7004, 11655), (7140, 11433), (7210, 11322), (7548, 10815), (7622, 10710), (7770, 10506), (8652, 9435), (8755, 9324), (8806, 9270)]