639044640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3793}}^1$

素因数の和:3833

約数の個数: 240

約数和(自身を含む): 2429419608

約数和(自身を除く): 1790374968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2340, 2592, 2808, 3120, 3240, 3510, 3744, 3793, 4212, 4320, 4680, 5265, 5616, 6240, 6480, 7020, 7586, 8424, 9360, 10530, 11232, 11379, 12960, 14040, 15172, 16848, 18720, 18965, 21060, 22758, 28080, 30344, 33696, 34137, 37930, 42120, 45516, 49309, 56160, 56895, 60688, 68274, 75860, 84240, 91032, 98618, 102411, 113790, 121376, 136548, 147927, 151720, 168480, 170685, 182064, 197236, 204822, 227580, 246545, 273096, 295854, 303440, 307233, 341370, 364128, 394472, 409644, 443781, 455160, 493090, 512055, 546192, 591708, 606880, 614466, 682740, 739635, 788944, 819288, 887562, 910320, 986180, 1024110, 1092384, 1183416, 1228932, 1331343, 1365480, 1479270, 1536165, 1577888, 1638576, 1775124, 1820640, 1972360, 2048220, 2218905, 2366832, 2457864, 2662686, 2730960, 2958540, 3072330, 3277152, 3550248, 3944720, 3994029, 4096440, 4437810, 4733664, 4915728, 5325372, 5461920, 5917080, 6144660, 6656715, 7100496, 7889440, 7988058, 8192880, 8875620, 9831456, 10650744, 11834160, 12289320, 13313430, 14200992, 15976116, 16385760, 17751240, 19970145, 21301488, 23668320, 24578640, 26626860, 31952232, 35502480, 39940290, 42602976, 49157280, 53253720, 63904464, 71004960, 79880580, 106507440, 127808928, 159761160, 213014880, 319522320, 639044640]

約数ペア:

[(1, 639044640), (2, 319522320), (3, 213014880), (4, 159761160), (5, 127808928), (6, 106507440), (8, 79880580), (9, 71004960), (10, 63904464), (12, 53253720), (13, 49157280), (15, 42602976), (16, 39940290), (18, 35502480), (20, 31952232), (24, 26626860), (26, 24578640), (27, 23668320), (30, 21301488), (32, 19970145), (36, 17751240), (39, 16385760), (40, 15976116), (45, 14200992), (48, 13313430), (52, 12289320), (54, 11834160), (60, 10650744), (65, 9831456), (72, 8875620), (78, 8192880), (80, 7988058), (81, 7889440), (90, 7100496), (96, 6656715), (104, 6144660), (108, 5917080), (117, 5461920), (120, 5325372), (130, 4915728), (135, 4733664), (144, 4437810), (156, 4096440), (160, 3994029), (162, 3944720), (180, 3550248), (195, 3277152), (208, 3072330), (216, 2958540), (234, 2730960), (240, 2662686), (260, 2457864), (270, 2366832), (288, 2218905), (312, 2048220), (324, 1972360), (351, 1820640), (360, 1775124), (390, 1638576), (405, 1577888), (416, 1536165), (432, 1479270), (468, 1365480), (480, 1331343), (520, 1228932), (540, 1183416), (585, 1092384), (624, 1024110), (648, 986180), (702, 910320), (720, 887562), (780, 819288), (810, 788944), (864, 739635), (936, 682740), (1040, 614466), (1053, 606880), (1080, 591708), (1170, 546192), (1248, 512055), (1296, 493090), (1404, 455160), (1440, 443781), (1560, 409644), (1620, 394472), (1755, 364128), (1872, 341370), (2080, 307233), (2106, 303440), (2160, 295854), (2340, 273096), (2592, 246545), (2808, 227580), (3120, 204822), (3240, 197236), (3510, 182064), (3744, 170685), (3793, 168480), (4212, 151720), (4320, 147927), (4680, 136548), (5265, 121376), (5616, 113790), (6240, 102411), (6480, 98618), (7020, 91032), (7586, 84240), (8424, 75860), (9360, 68274), (10530, 60688), (11232, 56895), (11379, 56160), (12960, 49309), (14040, 45516), (15172, 42120), (16848, 37930), (18720, 34137), (18965, 33696), (21060, 30344), (22758, 28080)]