31194720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 240

約数和(自身を含む): 115259760

約数和(自身を除く): 84065040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 83, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 162, 166, 174, 180, 216, 232, 240, 249, 261, 270, 288, 290, 324, 332, 348, 360, 405, 415, 432, 435, 464, 480, 498, 522, 540, 580, 648, 664, 696, 720, 747, 783, 810, 830, 864, 870, 928, 996, 1044, 1080, 1160, 1245, 1296, 1305, 1328, 1392, 1440, 1494, 1566, 1620, 1660, 1740, 1992, 2088, 2160, 2241, 2320, 2349, 2407, 2490, 2592, 2610, 2656, 2784, 2988, 3132, 3240, 3320, 3480, 3735, 3915, 3984, 4176, 4320, 4482, 4640, 4698, 4814, 4980, 5220, 5976, 6264, 6480, 6640, 6723, 6960, 7221, 7470, 7830, 7968, 8352, 8964, 9396, 9628, 9960, 10440, 11205, 11745, 11952, 12035, 12528, 12960, 13280, 13446, 13920, 14442, 14940, 15660, 17928, 18792, 19256, 19920, 20880, 21663, 22410, 23490, 23904, 24070, 25056, 26892, 28884, 29880, 31320, 33615, 35856, 36105, 37584, 38512, 39840, 41760, 43326, 44820, 46980, 48140, 53784, 57768, 59760, 62640, 64989, 67230, 71712, 72210, 75168, 77024, 86652, 89640, 93960, 96280, 107568, 108315, 115536, 119520, 125280, 129978, 134460, 144420, 173304, 179280, 187920, 192560, 194967, 215136, 216630, 231072, 259956, 268920, 288840, 324945, 346608, 358560, 375840, 385120, 389934, 433260, 519912, 537840, 577680, 649890, 693216, 779868, 866520, 974835, 1039824, 1075680, 1155360, 1299780, 1559736, 1733040, 1949670, 2079648, 2599560, 3119472, 3466080, 3899340, 5199120, 6238944, 7798680, 10398240, 15597360, 31194720]

約数ペア:

[(1, 31194720), (2, 15597360), (3, 10398240), (4, 7798680), (5, 6238944), (6, 5199120), (8, 3899340), (9, 3466080), (10, 3119472), (12, 2599560), (15, 2079648), (16, 1949670), (18, 1733040), (20, 1559736), (24, 1299780), (27, 1155360), (29, 1075680), (30, 1039824), (32, 974835), (36, 866520), (40, 779868), (45, 693216), (48, 649890), (54, 577680), (58, 537840), (60, 519912), (72, 433260), (80, 389934), (81, 385120), (83, 375840), (87, 358560), (90, 346608), (96, 324945), (108, 288840), (116, 268920), (120, 259956), (135, 231072), (144, 216630), (145, 215136), (160, 194967), (162, 192560), (166, 187920), (174, 179280), (180, 173304), (216, 144420), (232, 134460), (240, 129978), (249, 125280), (261, 119520), (270, 115536), (288, 108315), (290, 107568), (324, 96280), (332, 93960), (348, 89640), (360, 86652), (405, 77024), (415, 75168), (432, 72210), (435, 71712), (464, 67230), (480, 64989), (498, 62640), (522, 59760), (540, 57768), (580, 53784), (648, 48140), (664, 46980), (696, 44820), (720, 43326), (747, 41760), (783, 39840), (810, 38512), (830, 37584), (864, 36105), (870, 35856), (928, 33615), (996, 31320), (1044, 29880), (1080, 28884), (1160, 26892), (1245, 25056), (1296, 24070), (1305, 23904), (1328, 23490), (1392, 22410), (1440, 21663), (1494, 20880), (1566, 19920), (1620, 19256), (1660, 18792), (1740, 17928), (1992, 15660), (2088, 14940), (2160, 14442), (2241, 13920), (2320, 13446), (2349, 13280), (2407, 12960), (2490, 12528), (2592, 12035), (2610, 11952), (2656, 11745), (2784, 11205), (2988, 10440), (3132, 9960), (3240, 9628), (3320, 9396), (3480, 8964), (3735, 8352), (3915, 7968), (3984, 7830), (4176, 7470), (4320, 7221), (4482, 6960), (4640, 6723), (4698, 6640), (4814, 6480), (4980, 6264), (5220, 5976)]