641231640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^3\times {\mathrm{577}}^1$

素因数の和:621

約数の個数: 320

約数和(自身を含む): 2517768000

約数和(自身を除く): 1876536360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 343, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 577, 588, 630, 648, 686, 735, 756, 810, 840, 882, 945, 980, 1029, 1080, 1134, 1154, 1176, 1260, 1323, 1372, 1470, 1512, 1620, 1715, 1731, 1764, 1890, 1960, 2058, 2205, 2268, 2308, 2520, 2646, 2744, 2835, 2885, 2940, 3087, 3240, 3430, 3462, 3528, 3780, 3969, 4039, 4116, 4410, 4536, 4616, 5145, 5193, 5292, 5670, 5770, 5880, 6174, 6615, 6860, 6924, 7560, 7938, 8078, 8232, 8655, 8820, 9261, 10290, 10386, 10584, 11340, 11540, 12117, 12348, 13230, 13720, 13848, 15435, 15579, 15876, 16156, 17310, 17640, 18522, 19845, 20195, 20580, 20772, 22680, 23080, 24234, 24696, 25965, 26460, 27783, 28273, 30870, 31158, 31752, 32312, 34620, 36351, 37044, 39690, 40390, 41160, 41544, 46305, 46737, 48468, 51930, 52920, 55566, 56546, 60585, 61740, 62316, 69240, 72702, 74088, 77895, 79380, 80780, 84819, 92610, 93474, 96936, 103860, 109053, 111132, 113092, 121170, 123480, 124632, 138915, 141365, 145404, 155790, 158760, 161560, 169638, 181755, 185220, 186948, 197911, 207720, 218106, 222264, 226184, 233685, 242340, 254457, 277830, 282730, 290808, 311580, 327159, 339276, 363510, 370440, 373896, 395822, 424095, 436212, 467370, 484680, 508914, 545265, 555660, 565460, 593733, 623160, 654318, 678552, 727020, 763371, 791644, 848190, 872424, 934740, 989555, 1017828, 1090530, 1111320, 1130920, 1187466, 1272285, 1308636, 1454040, 1526742, 1583288, 1635795, 1696380, 1781199, 1869480, 1979110, 2035656, 2181060, 2290113, 2374932, 2544570, 2617272, 2968665, 3053484, 3271590, 3392760, 3562398, 3816855, 3958220, 4362120, 4580226, 4749864, 5089140, 5343597, 5937330, 6106968, 6543180, 7124796, 7633710, 7916440, 8905995, 9160452, 10178280, 10687194, 11450565, 11874660, 13086360, 14249592, 15267420, 16030791, 17811990, 18320904, 21374388, 22901130, 23749320, 26717985, 30534840, 32061582, 35623980, 42748776, 45802260, 53435970, 64123164, 71247960, 80153955, 91604520, 106871940, 128246328, 160307910, 213743880, 320615820, 641231640]

約数ペア:

[(1, 641231640), (2, 320615820), (3, 213743880), (4, 160307910), (5, 128246328), (6, 106871940), (7, 91604520), (8, 80153955), (9, 71247960), (10, 64123164), (12, 53435970), (14, 45802260), (15, 42748776), (18, 35623980), (20, 32061582), (21, 30534840), (24, 26717985), (27, 23749320), (28, 22901130), (30, 21374388), (35, 18320904), (36, 17811990), (40, 16030791), (42, 15267420), (45, 14249592), (49, 13086360), (54, 11874660), (56, 11450565), (60, 10687194), (63, 10178280), (70, 9160452), (72, 8905995), (81, 7916440), (84, 7633710), (90, 7124796), (98, 6543180), (105, 6106968), (108, 5937330), (120, 5343597), (126, 5089140), (135, 4749864), (140, 4580226), (147, 4362120), (162, 3958220), (168, 3816855), (180, 3562398), (189, 3392760), (196, 3271590), (210, 3053484), (216, 2968665), (245, 2617272), (252, 2544570), (270, 2374932), (280, 2290113), (294, 2181060), (315, 2035656), (324, 1979110), (343, 1869480), (360, 1781199), (378, 1696380), (392, 1635795), (405, 1583288), (420, 1526742), (441, 1454040), (490, 1308636), (504, 1272285), (540, 1187466), (567, 1130920), (577, 1111320), (588, 1090530), (630, 1017828), (648, 989555), (686, 934740), (735, 872424), (756, 848190), (810, 791644), (840, 763371), (882, 727020), (945, 678552), (980, 654318), (1029, 623160), (1080, 593733), (1134, 565460), (1154, 555660), (1176, 545265), (1260, 508914), (1323, 484680), (1372, 467370), (1470, 436212), (1512, 424095), (1620, 395822), (1715, 373896), (1731, 370440), (1764, 363510), (1890, 339276), (1960, 327159), (2058, 311580), (2205, 290808), (2268, 282730), (2308, 277830), (2520, 254457), (2646, 242340), (2744, 233685), (2835, 226184), (2885, 222264), (2940, 218106), (3087, 207720), (3240, 197911), (3430, 186948), (3462, 185220), (3528, 181755), (3780, 169638), (3969, 161560), (4039, 158760), (4116, 155790), (4410, 145404), (4536, 141365), (4616, 138915), (5145, 124632), (5193, 123480), (5292, 121170), (5670, 113092), (5770, 111132), (5880, 109053), (6174, 103860), (6615, 96936), (6860, 93474), (6924, 92610), (7560, 84819), (7938, 80780), (8078, 79380), (8232, 77895), (8655, 74088), (8820, 72702), (9261, 69240), (10290, 62316), (10386, 61740), (10584, 60585), (11340, 56546), (11540, 55566), (12117, 52920), (12348, 51930), (13230, 48468), (13720, 46737), (13848, 46305), (15435, 41544), (15579, 41160), (15876, 40390), (16156, 39690), (17310, 37044), (17640, 36351), (18522, 34620), (19845, 32312), (20195, 31752), (20580, 31158), (20772, 30870), (22680, 28273), (23080, 27783), (24234, 26460), (24696, 25965)]