778832460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:645

約数の個数: 216

約数和(自身を含む): 2767368240

約数和(自身を除く): 1988535780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 227, 245, 252, 294, 315, 389, 420, 441, 454, 490, 588, 630, 681, 735, 778, 882, 908, 980, 1135, 1167, 1260, 1362, 1470, 1556, 1589, 1764, 1945, 2043, 2205, 2270, 2334, 2723, 2724, 2940, 3178, 3405, 3501, 3890, 4086, 4410, 4540, 4668, 4767, 5446, 5835, 6356, 6810, 7002, 7780, 7945, 8169, 8172, 8820, 9534, 10215, 10892, 11123, 11670, 13615, 13620, 14004, 14301, 15890, 16338, 17505, 19061, 19068, 20430, 22246, 23340, 23835, 24507, 27230, 28602, 31780, 32676, 33369, 35010, 38122, 40845, 40860, 44492, 47670, 49014, 54460, 55615, 57183, 57204, 66738, 70020, 71505, 76244, 81690, 88303, 95305, 95340, 98028, 100107, 111230, 114366, 122535, 133476, 143010, 163380, 166845, 171549, 176606, 190610, 200214, 222460, 228732, 245070, 264909, 285915, 286020, 333690, 343098, 353212, 381220, 400428, 441515, 490140, 500535, 529818, 571830, 618121, 667380, 686196, 794727, 857745, 883030, 1001070, 1059636, 1143660, 1236242, 1324545, 1589454, 1715490, 1766060, 1854363, 2002140, 2472484, 2649090, 3090605, 3178908, 3430980, 3708726, 3973635, 4326847, 5298180, 5563089, 6181210, 7417452, 7947270, 8653694, 9271815, 11126178, 12362420, 12980541, 15894540, 17307388, 18543630, 21634235, 22252356, 25961082, 27815445, 37087260, 38941623, 43268470, 51922164, 55630890, 64902705, 77883246, 86536940, 111261780, 129805410, 155766492, 194708115, 259610820, 389416230, 778832460]

約数ペア:

[(1, 778832460), (2, 389416230), (3, 259610820), (4, 194708115), (5, 155766492), (6, 129805410), (7, 111261780), (9, 86536940), (10, 77883246), (12, 64902705), (14, 55630890), (15, 51922164), (18, 43268470), (20, 38941623), (21, 37087260), (28, 27815445), (30, 25961082), (35, 22252356), (36, 21634235), (42, 18543630), (45, 17307388), (49, 15894540), (60, 12980541), (63, 12362420), (70, 11126178), (84, 9271815), (90, 8653694), (98, 7947270), (105, 7417452), (126, 6181210), (140, 5563089), (147, 5298180), (180, 4326847), (196, 3973635), (210, 3708726), (227, 3430980), (245, 3178908), (252, 3090605), (294, 2649090), (315, 2472484), (389, 2002140), (420, 1854363), (441, 1766060), (454, 1715490), (490, 1589454), (588, 1324545), (630, 1236242), (681, 1143660), (735, 1059636), (778, 1001070), (882, 883030), (908, 857745), (980, 794727), (1135, 686196), (1167, 667380), (1260, 618121), (1362, 571830), (1470, 529818), (1556, 500535), (1589, 490140), (1764, 441515), (1945, 400428), (2043, 381220), (2205, 353212), (2270, 343098), (2334, 333690), (2723, 286020), (2724, 285915), (2940, 264909), (3178, 245070), (3405, 228732), (3501, 222460), (3890, 200214), (4086, 190610), (4410, 176606), (4540, 171549), (4668, 166845), (4767, 163380), (5446, 143010), (5835, 133476), (6356, 122535), (6810, 114366), (7002, 111230), (7780, 100107), (7945, 98028), (8169, 95340), (8172, 95305), (8820, 88303), (9534, 81690), (10215, 76244), (10892, 71505), (11123, 70020), (11670, 66738), (13615, 57204), (13620, 57183), (14004, 55615), (14301, 54460), (15890, 49014), (16338, 47670), (17505, 44492), (19061, 40860), (19068, 40845), (20430, 38122), (22246, 35010), (23340, 33369), (23835, 32676), (24507, 31780), (27230, 28602)]