64681890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 256

約数和(自身を含む): 212889600

約数和(自身を除く): 148207710

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 29, 30, 35, 38, 39, 42, 43, 57, 58, 65, 70, 78, 86, 87, 91, 95, 105, 114, 129, 130, 133, 145, 174, 182, 190, 195, 203, 210, 215, 247, 258, 266, 273, 285, 290, 301, 377, 390, 399, 406, 430, 435, 455, 494, 546, 551, 559, 570, 602, 609, 645, 665, 741, 754, 798, 817, 870, 903, 910, 1015, 1102, 1118, 1131, 1218, 1235, 1247, 1290, 1330, 1365, 1482, 1505, 1634, 1653, 1677, 1729, 1806, 1885, 1995, 2030, 2262, 2451, 2470, 2494, 2639, 2730, 2755, 2795, 3010, 3045, 3306, 3354, 3458, 3705, 3741, 3770, 3857, 3913, 3990, 4085, 4515, 4902, 5187, 5278, 5510, 5590, 5655, 5719, 6090, 6235, 7163, 7410, 7482, 7714, 7826, 7917, 8170, 8265, 8385, 8645, 8729, 9030, 10374, 10621, 11310, 11438, 11571, 11739, 12255, 12470, 13195, 14326, 15834, 16211, 16530, 16770, 17157, 17290, 17458, 18705, 19285, 19565, 21242, 21489, 23142, 23478, 23693, 24510, 25935, 26187, 26390, 28595, 31863, 32422, 34314, 35815, 37410, 38570, 39130, 39585, 42978, 43645, 47386, 48633, 50141, 51870, 52374, 53105, 57190, 57855, 58695, 63726, 71079, 71630, 74347, 79170, 81055, 85785, 87290, 97266, 100282, 106210, 107445, 113477, 115710, 117390, 118465, 130935, 142158, 148694, 150423, 159315, 162110, 165851, 171570, 214890, 223041, 226954, 236930, 243165, 250705, 261870, 300846, 308009, 318630, 331702, 340431, 355395, 371735, 446082, 486330, 497553, 501410, 567385, 616018, 680862, 710790, 743470, 752115, 829255, 924027, 995106, 1115205, 1134770, 1504230, 1540045, 1658510, 1702155, 1848054, 2156063, 2230410, 2487765, 3080090, 3404310, 4312126, 4620135, 4975530, 6468189, 9240270, 10780315, 12936378, 21560630, 32340945, 64681890]

約数ペア:

[(1, 64681890), (2, 32340945), (3, 21560630), (5, 12936378), (6, 10780315), (7, 9240270), (10, 6468189), (13, 4975530), (14, 4620135), (15, 4312126), (19, 3404310), (21, 3080090), (26, 2487765), (29, 2230410), (30, 2156063), (35, 1848054), (38, 1702155), (39, 1658510), (42, 1540045), (43, 1504230), (57, 1134770), (58, 1115205), (65, 995106), (70, 924027), (78, 829255), (86, 752115), (87, 743470), (91, 710790), (95, 680862), (105, 616018), (114, 567385), (129, 501410), (130, 497553), (133, 486330), (145, 446082), (174, 371735), (182, 355395), (190, 340431), (195, 331702), (203, 318630), (210, 308009), (215, 300846), (247, 261870), (258, 250705), (266, 243165), (273, 236930), (285, 226954), (290, 223041), (301, 214890), (377, 171570), (390, 165851), (399, 162110), (406, 159315), (430, 150423), (435, 148694), (455, 142158), (494, 130935), (546, 118465), (551, 117390), (559, 115710), (570, 113477), (602, 107445), (609, 106210), (645, 100282), (665, 97266), (741, 87290), (754, 85785), (798, 81055), (817, 79170), (870, 74347), (903, 71630), (910, 71079), (1015, 63726), (1102, 58695), (1118, 57855), (1131, 57190), (1218, 53105), (1235, 52374), (1247, 51870), (1290, 50141), (1330, 48633), (1365, 47386), (1482, 43645), (1505, 42978), (1634, 39585), (1653, 39130), (1677, 38570), (1729, 37410), (1806, 35815), (1885, 34314), (1995, 32422), (2030, 31863), (2262, 28595), (2451, 26390), (2470, 26187), (2494, 25935), (2639, 24510), (2730, 23693), (2755, 23478), (2795, 23142), (3010, 21489), (3045, 21242), (3306, 19565), (3354, 19285), (3458, 18705), (3705, 17458), (3741, 17290), (3770, 17157), (3857, 16770), (3913, 16530), (3990, 16211), (4085, 15834), (4515, 14326), (4902, 13195), (5187, 12470), (5278, 12255), (5510, 11739), (5590, 11571), (5655, 11438), (5719, 11310), (6090, 10621), (6235, 10374), (7163, 9030), (7410, 8729), (7482, 8645), (7714, 8385), (7826, 8265), (7917, 8170)]