12780432

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:461

約数の個数: 120

約数和(自身を含む): 42298880

約数和(自身を除く): 29518448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 248, 252, 279, 336, 372, 409, 434, 496, 504, 558, 651, 744, 818, 868, 1008, 1116, 1227, 1302, 1488, 1636, 1736, 1953, 2232, 2454, 2604, 2863, 3272, 3472, 3681, 3906, 4464, 4908, 5208, 5726, 6544, 7362, 7812, 8589, 9816, 10416, 11452, 12679, 14724, 15624, 17178, 19632, 22904, 25358, 25767, 29448, 31248, 34356, 38037, 45808, 50716, 51534, 58896, 68712, 76074, 88753, 101432, 103068, 114111, 137424, 152148, 177506, 202864, 206136, 228222, 266259, 304296, 355012, 412272, 456444, 532518, 608592, 710024, 798777, 912888, 1065036, 1420048, 1597554, 1825776, 2130072, 3195108, 4260144, 6390216, 12780432]

約数ペア:

[(1, 12780432), (2, 6390216), (3, 4260144), (4, 3195108), (6, 2130072), (7, 1825776), (8, 1597554), (9, 1420048), (12, 1065036), (14, 912888), (16, 798777), (18, 710024), (21, 608592), (24, 532518), (28, 456444), (31, 412272), (36, 355012), (42, 304296), (48, 266259), (56, 228222), (62, 206136), (63, 202864), (72, 177506), (84, 152148), (93, 137424), (112, 114111), (124, 103068), (126, 101432), (144, 88753), (168, 76074), (186, 68712), (217, 58896), (248, 51534), (252, 50716), (279, 45808), (336, 38037), (372, 34356), (409, 31248), (434, 29448), (496, 25767), (504, 25358), (558, 22904), (651, 19632), (744, 17178), (818, 15624), (868, 14724), (1008, 12679), (1116, 11452), (1227, 10416), (1302, 9816), (1488, 8589), (1636, 7812), (1736, 7362), (1953, 6544), (2232, 5726), (2454, 5208), (2604, 4908), (2863, 4464), (3272, 3906), (3472, 3681)]