268900740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7507}}^1$

素因数の和:7721

約数の個数: 72

約数和(自身を含む): 819873600

約数和(自身を除く): 550972860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5970, 7164, 7507, 8955, 11940, 15014, 17910, 22521, 30028, 35820, 37535, 45042, 67563, 75070, 90084, 112605, 135126, 150140, 225210, 270252, 337815, 450420, 675630, 1351260, 1493893, 2987786, 4481679, 5975572, 7469465, 8963358, 13445037, 14938930, 17926716, 22408395, 26890074, 29877860, 44816790, 53780148, 67225185, 89633580, 134450370, 268900740]

約数ペア:

[(1, 268900740), (2, 134450370), (3, 89633580), (4, 67225185), (5, 53780148), (6, 44816790), (9, 29877860), (10, 26890074), (12, 22408395), (15, 17926716), (18, 14938930), (20, 13445037), (30, 8963358), (36, 7469465), (45, 5975572), (60, 4481679), (90, 2987786), (180, 1493893), (199, 1351260), (398, 675630), (597, 450420), (796, 337815), (995, 270252), (1194, 225210), (1791, 150140), (1990, 135126), (2388, 112605), (2985, 90084), (3582, 75070), (3980, 67563), (5970, 45042), (7164, 37535), (7507, 35820), (8955, 30028), (11940, 22521), (15014, 17910)]