1280890962

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 3157056000

約数和(自身を除く): 1876165038

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 53, 54, 78, 106, 117, 159, 173, 199, 234, 318, 346, 351, 398, 477, 519, 597, 689, 702, 954, 1038, 1194, 1378, 1431, 1557, 1791, 2067, 2249, 2587, 2862, 3114, 3582, 4134, 4498, 4671, 5174, 5373, 6201, 6747, 7761, 9169, 9342, 10547, 10746, 12402, 13494, 15522, 18338, 18603, 20241, 21094, 23283, 27507, 31641, 34427, 37206, 40482, 46566, 55014, 60723, 63282, 68854, 69849, 82521, 94923, 103281, 119197, 121446, 137111, 139698, 165042, 189846, 206562, 238394, 247563, 274222, 284769, 309843, 357591, 411333, 447551, 495126, 569538, 619686, 715182, 822666, 895102, 929529, 1072773, 1233999, 1342653, 1824631, 1859058, 2145546, 2467998, 2685306, 3218319, 3649262, 3701997, 4027959, 5473893, 6436638, 7403994, 8055918, 10947786, 12083877, 16421679, 23720203, 24167754, 32843358, 47440406, 49265037, 71160609, 98530074, 142321218, 213481827, 426963654, 640445481, 1280890962]

約数ペア:

[(1, 1280890962), (2, 640445481), (3, 426963654), (6, 213481827), (9, 142321218), (13, 98530074), (18, 71160609), (26, 49265037), (27, 47440406), (39, 32843358), (53, 24167754), (54, 23720203), (78, 16421679), (106, 12083877), (117, 10947786), (159, 8055918), (173, 7403994), (199, 6436638), (234, 5473893), (318, 4027959), (346, 3701997), (351, 3649262), (398, 3218319), (477, 2685306), (519, 2467998), (597, 2145546), (689, 1859058), (702, 1824631), (954, 1342653), (1038, 1233999), (1194, 1072773), (1378, 929529), (1431, 895102), (1557, 822666), (1791, 715182), (2067, 619686), (2249, 569538), (2587, 495126), (2862, 447551), (3114, 411333), (3582, 357591), (4134, 309843), (4498, 284769), (4671, 274222), (5174, 247563), (5373, 238394), (6201, 206562), (6747, 189846), (7761, 165042), (9169, 139698), (9342, 137111), (10547, 121446), (10746, 119197), (12402, 103281), (13494, 94923), (15522, 82521), (18338, 69849), (18603, 68854), (20241, 63282), (21094, 60723), (23283, 55014), (27507, 46566), (31641, 40482), (34427, 37206)]