664964880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:829

約数の個数: 160

約数和(自身を含む): 2146529280

約数和(自身を除く): 1481564400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 139, 155, 186, 240, 248, 278, 310, 372, 417, 465, 496, 556, 620, 643, 695, 744, 834, 930, 1112, 1240, 1286, 1390, 1488, 1668, 1860, 1929, 2085, 2224, 2480, 2572, 2780, 3215, 3336, 3720, 3858, 4170, 4309, 5144, 5560, 6430, 6672, 7440, 7716, 8340, 8618, 9645, 10288, 11120, 12860, 12927, 15432, 16680, 17236, 19290, 19933, 21545, 25720, 25854, 30864, 33360, 34472, 38580, 39866, 43090, 51440, 51708, 59799, 64635, 68944, 77160, 79732, 86180, 89377, 99665, 103416, 119598, 129270, 154320, 159464, 172360, 178754, 199330, 206832, 239196, 258540, 268131, 298995, 318928, 344720, 357508, 398660, 446885, 478392, 517080, 536262, 597990, 715016, 797320, 893770, 956784, 1034160, 1072524, 1195980, 1340655, 1430032, 1594640, 1787540, 2145048, 2391960, 2681310, 2770687, 3575080, 4290096, 4783920, 5362620, 5541374, 7150160, 8312061, 10725240, 11082748, 13853435, 16624122, 21450480, 22165496, 27706870, 33248244, 41560305, 44330992, 55413740, 66496488, 83120610, 110827480, 132992976, 166241220, 221654960, 332482440, 664964880]

約数ペア:

[(1, 664964880), (2, 332482440), (3, 221654960), (4, 166241220), (5, 132992976), (6, 110827480), (8, 83120610), (10, 66496488), (12, 55413740), (15, 44330992), (16, 41560305), (20, 33248244), (24, 27706870), (30, 22165496), (31, 21450480), (40, 16624122), (48, 13853435), (60, 11082748), (62, 10725240), (80, 8312061), (93, 7150160), (120, 5541374), (124, 5362620), (139, 4783920), (155, 4290096), (186, 3575080), (240, 2770687), (248, 2681310), (278, 2391960), (310, 2145048), (372, 1787540), (417, 1594640), (465, 1430032), (496, 1340655), (556, 1195980), (620, 1072524), (643, 1034160), (695, 956784), (744, 893770), (834, 797320), (930, 715016), (1112, 597990), (1240, 536262), (1286, 517080), (1390, 478392), (1488, 446885), (1668, 398660), (1860, 357508), (1929, 344720), (2085, 318928), (2224, 298995), (2480, 268131), (2572, 258540), (2780, 239196), (3215, 206832), (3336, 199330), (3720, 178754), (3858, 172360), (4170, 159464), (4309, 154320), (5144, 129270), (5560, 119598), (6430, 103416), (6672, 99665), (7440, 89377), (7716, 86180), (8340, 79732), (8618, 77160), (9645, 68944), (10288, 64635), (11120, 59799), (12860, 51708), (12927, 51440), (15432, 43090), (16680, 39866), (17236, 38580), (19290, 34472), (19933, 33360), (21545, 30864), (25720, 25854)]