31181040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 240

約数和(自身を含む): 118849536

約数和(自身を除く): 87668496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 99, 110, 120, 124, 127, 132, 144, 155, 165, 176, 180, 186, 198, 220, 240, 248, 254, 264, 279, 310, 330, 341, 360, 372, 381, 396, 440, 465, 495, 496, 508, 528, 558, 620, 635, 660, 682, 720, 744, 762, 792, 880, 930, 990, 1016, 1023, 1116, 1143, 1240, 1270, 1320, 1364, 1395, 1397, 1488, 1524, 1584, 1705, 1860, 1905, 1980, 2032, 2046, 2232, 2286, 2480, 2540, 2640, 2728, 2790, 2794, 3048, 3069, 3410, 3720, 3810, 3937, 3960, 4092, 4191, 4464, 4572, 5080, 5115, 5456, 5580, 5588, 5715, 6096, 6138, 6820, 6985, 7440, 7620, 7874, 7920, 8184, 8382, 9144, 10160, 10230, 11160, 11176, 11430, 11811, 12276, 12573, 13640, 13970, 15240, 15345, 15748, 16368, 16764, 18288, 19685, 20460, 20955, 22320, 22352, 22860, 23622, 24552, 25146, 27280, 27940, 30480, 30690, 31496, 33528, 35433, 39370, 40920, 41910, 43307, 45720, 47244, 49104, 50292, 55880, 59055, 61380, 62865, 62992, 67056, 70866, 78740, 81840, 83820, 86614, 91440, 94488, 100584, 111760, 118110, 122760, 125730, 129921, 141732, 157480, 167640, 173228, 177165, 188976, 201168, 216535, 236220, 245520, 251460, 259842, 283464, 314960, 335280, 346456, 354330, 389763, 433070, 472440, 502920, 519684, 566928, 649605, 692912, 708660, 779526, 866140, 944880, 1005840, 1039368, 1299210, 1417320, 1559052, 1732280, 1948815, 2078736, 2598420, 2834640, 3118104, 3464560, 3897630, 5196840, 6236208, 7795260, 10393680, 15590520, 31181040]

約数ペア:

[(1, 31181040), (2, 15590520), (3, 10393680), (4, 7795260), (5, 6236208), (6, 5196840), (8, 3897630), (9, 3464560), (10, 3118104), (11, 2834640), (12, 2598420), (15, 2078736), (16, 1948815), (18, 1732280), (20, 1559052), (22, 1417320), (24, 1299210), (30, 1039368), (31, 1005840), (33, 944880), (36, 866140), (40, 779526), (44, 708660), (45, 692912), (48, 649605), (55, 566928), (60, 519684), (62, 502920), (66, 472440), (72, 433070), (80, 389763), (88, 354330), (90, 346456), (93, 335280), (99, 314960), (110, 283464), (120, 259842), (124, 251460), (127, 245520), (132, 236220), (144, 216535), (155, 201168), (165, 188976), (176, 177165), (180, 173228), (186, 167640), (198, 157480), (220, 141732), (240, 129921), (248, 125730), (254, 122760), (264, 118110), (279, 111760), (310, 100584), (330, 94488), (341, 91440), (360, 86614), (372, 83820), (381, 81840), (396, 78740), (440, 70866), (465, 67056), (495, 62992), (496, 62865), (508, 61380), (528, 59055), (558, 55880), (620, 50292), (635, 49104), (660, 47244), (682, 45720), (720, 43307), (744, 41910), (762, 40920), (792, 39370), (880, 35433), (930, 33528), (990, 31496), (1016, 30690), (1023, 30480), (1116, 27940), (1143, 27280), (1240, 25146), (1270, 24552), (1320, 23622), (1364, 22860), (1395, 22352), (1397, 22320), (1488, 20955), (1524, 20460), (1584, 19685), (1705, 18288), (1860, 16764), (1905, 16368), (1980, 15748), (2032, 15345), (2046, 15240), (2232, 13970), (2286, 13640), (2480, 12573), (2540, 12276), (2640, 11811), (2728, 11430), (2790, 11176), (2794, 11160), (3048, 10230), (3069, 10160), (3410, 9144), (3720, 8382), (3810, 8184), (3937, 7920), (3960, 7874), (4092, 7620), (4191, 7440), (4464, 6985), (4572, 6820), (5080, 6138), (5115, 6096), (5456, 5715), (5580, 5588)]