31278240

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 288

約数和(自身を含む): 127370880

約数和(自身を除く): 96092640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 96, 105, 107, 112, 116, 120, 126, 140, 144, 145, 160, 168, 174, 180, 203, 210, 214, 224, 232, 240, 252, 261, 280, 288, 290, 315, 321, 336, 348, 360, 406, 420, 428, 435, 464, 480, 504, 522, 535, 560, 580, 609, 630, 642, 672, 696, 720, 749, 812, 840, 856, 870, 928, 963, 1008, 1015, 1044, 1070, 1120, 1160, 1218, 1260, 1284, 1305, 1392, 1440, 1498, 1605, 1624, 1680, 1712, 1740, 1827, 1926, 2016, 2030, 2088, 2140, 2247, 2320, 2436, 2520, 2568, 2610, 2784, 2996, 3045, 3103, 3210, 3248, 3360, 3424, 3480, 3654, 3745, 3852, 4060, 4176, 4280, 4494, 4640, 4815, 4872, 5040, 5136, 5220, 5992, 6090, 6206, 6420, 6496, 6741, 6960, 7308, 7490, 7704, 8120, 8352, 8560, 8988, 9135, 9309, 9630, 9744, 10080, 10272, 10440, 11235, 11984, 12180, 12412, 12840, 13482, 13920, 14616, 14980, 15408, 15515, 16240, 17120, 17976, 18270, 18618, 19260, 19488, 20880, 21721, 22470, 23968, 24360, 24824, 25680, 26964, 27927, 29232, 29960, 30816, 31030, 32480, 33705, 35952, 36540, 37236, 38520, 41760, 43442, 44940, 46545, 48720, 49648, 51360, 53928, 55854, 58464, 59920, 62060, 65163, 67410, 71904, 73080, 74472, 77040, 86884, 89880, 93090, 97440, 99296, 107856, 108605, 111708, 119840, 124120, 130326, 134820, 139635, 146160, 148944, 154080, 173768, 179760, 186180, 195489, 215712, 217210, 223416, 248240, 260652, 269640, 279270, 292320, 297888, 325815, 347536, 359520, 372360, 390978, 434420, 446832, 496480, 521304, 539280, 558540, 651630, 695072, 744720, 781956, 868840, 893664, 977445, 1042608, 1078560, 1117080, 1303260, 1489440, 1563912, 1737680, 1954890, 2085216, 2234160, 2606520, 3127824, 3475360, 3909780, 4468320, 5213040, 6255648, 7819560, 10426080, 15639120, 31278240]

約数ペア:

[(1, 31278240), (2, 15639120), (3, 10426080), (4, 7819560), (5, 6255648), (6, 5213040), (7, 4468320), (8, 3909780), (9, 3475360), (10, 3127824), (12, 2606520), (14, 2234160), (15, 2085216), (16, 1954890), (18, 1737680), (20, 1563912), (21, 1489440), (24, 1303260), (28, 1117080), (29, 1078560), (30, 1042608), (32, 977445), (35, 893664), (36, 868840), (40, 781956), (42, 744720), (45, 695072), (48, 651630), (56, 558540), (58, 539280), (60, 521304), (63, 496480), (70, 446832), (72, 434420), (80, 390978), (84, 372360), (87, 359520), (90, 347536), (96, 325815), (105, 297888), (107, 292320), (112, 279270), (116, 269640), (120, 260652), (126, 248240), (140, 223416), (144, 217210), (145, 215712), (160, 195489), (168, 186180), (174, 179760), (180, 173768), (203, 154080), (210, 148944), (214, 146160), (224, 139635), (232, 134820), (240, 130326), (252, 124120), (261, 119840), (280, 111708), (288, 108605), (290, 107856), (315, 99296), (321, 97440), (336, 93090), (348, 89880), (360, 86884), (406, 77040), (420, 74472), (428, 73080), (435, 71904), (464, 67410), (480, 65163), (504, 62060), (522, 59920), (535, 58464), (560, 55854), (580, 53928), (609, 51360), (630, 49648), (642, 48720), (672, 46545), (696, 44940), (720, 43442), (749, 41760), (812, 38520), (840, 37236), (856, 36540), (870, 35952), (928, 33705), (963, 32480), (1008, 31030), (1015, 30816), (1044, 29960), (1070, 29232), (1120, 27927), (1160, 26964), (1218, 25680), (1260, 24824), (1284, 24360), (1305, 23968), (1392, 22470), (1440, 21721), (1498, 20880), (1605, 19488), (1624, 19260), (1680, 18618), (1712, 18270), (1740, 17976), (1827, 17120), (1926, 16240), (2016, 15515), (2030, 15408), (2088, 14980), (2140, 14616), (2247, 13920), (2320, 13482), (2436, 12840), (2520, 12412), (2568, 12180), (2610, 11984), (2784, 11235), (2996, 10440), (3045, 10272), (3103, 10080), (3210, 9744), (3248, 9630), (3360, 9309), (3424, 9135), (3480, 8988), (3654, 8560), (3745, 8352), (3852, 8120), (4060, 7704), (4176, 7490), (4280, 7308), (4494, 6960), (4640, 6741), (4815, 6496), (4872, 6420), (5040, 6206), (5136, 6090), (5220, 5992)]