81368784

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1017

約数の個数: 120

約数和(自身を含む): 263465280

約数和(自身を除く): 182096496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 89, 112, 126, 144, 168, 178, 252, 267, 336, 356, 504, 534, 623, 712, 801, 907, 1008, 1068, 1246, 1424, 1602, 1814, 1869, 2136, 2492, 2721, 3204, 3628, 3738, 4272, 4984, 5442, 5607, 6349, 6408, 7256, 7476, 8163, 9968, 10884, 11214, 12698, 12816, 14512, 14952, 16326, 19047, 21768, 22428, 25396, 29904, 32652, 38094, 43536, 44856, 50792, 57141, 65304, 76188, 80723, 89712, 101584, 114282, 130608, 152376, 161446, 228564, 242169, 304752, 322892, 457128, 484338, 565061, 645784, 726507, 914256, 968676, 1130122, 1291568, 1453014, 1695183, 1937352, 2260244, 2906028, 3390366, 3874704, 4520488, 5085549, 5812056, 6780732, 9040976, 10171098, 11624112, 13561464, 20342196, 27122928, 40684392, 81368784]

約数ペア:

[(1, 81368784), (2, 40684392), (3, 27122928), (4, 20342196), (6, 13561464), (7, 11624112), (8, 10171098), (9, 9040976), (12, 6780732), (14, 5812056), (16, 5085549), (18, 4520488), (21, 3874704), (24, 3390366), (28, 2906028), (36, 2260244), (42, 1937352), (48, 1695183), (56, 1453014), (63, 1291568), (72, 1130122), (84, 968676), (89, 914256), (112, 726507), (126, 645784), (144, 565061), (168, 484338), (178, 457128), (252, 322892), (267, 304752), (336, 242169), (356, 228564), (504, 161446), (534, 152376), (623, 130608), (712, 114282), (801, 101584), (907, 89712), (1008, 80723), (1068, 76188), (1246, 65304), (1424, 57141), (1602, 50792), (1814, 44856), (1869, 43536), (2136, 38094), (2492, 32652), (2721, 29904), (3204, 25396), (3628, 22428), (3738, 21768), (4272, 19047), (4984, 16326), (5442, 14952), (5607, 14512), (6349, 12816), (6408, 12698), (7256, 11214), (7476, 10884), (8163, 9968)]