78812760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2659}}^1$

素因数の和:2705

約数の個数: 128

約数和(自身を含む): 268128000

約数和(自身を除く): 189315240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2659, 2964, 3705, 4940, 5318, 5928, 7410, 7977, 9880, 10636, 13295, 14820, 15954, 21272, 26590, 29640, 31908, 34567, 39885, 50521, 53180, 63816, 69134, 79770, 101042, 103701, 106360, 138268, 151563, 159540, 172835, 202084, 207402, 252605, 276536, 303126, 319080, 345670, 404168, 414804, 505210, 518505, 606252, 656773, 691340, 757815, 829608, 1010420, 1037010, 1212504, 1313546, 1382680, 1515630, 1970319, 2020840, 2074020, 2627092, 3031260, 3283865, 3940638, 4148040, 5254184, 6062520, 6567730, 7881276, 9851595, 13135460, 15762552, 19703190, 26270920, 39406380, 78812760]

約数ペア:

[(1, 78812760), (2, 39406380), (3, 26270920), (4, 19703190), (5, 15762552), (6, 13135460), (8, 9851595), (10, 7881276), (12, 6567730), (13, 6062520), (15, 5254184), (19, 4148040), (20, 3940638), (24, 3283865), (26, 3031260), (30, 2627092), (38, 2074020), (39, 2020840), (40, 1970319), (52, 1515630), (57, 1382680), (60, 1313546), (65, 1212504), (76, 1037010), (78, 1010420), (95, 829608), (104, 757815), (114, 691340), (120, 656773), (130, 606252), (152, 518505), (156, 505210), (190, 414804), (195, 404168), (228, 345670), (247, 319080), (260, 303126), (285, 276536), (312, 252605), (380, 207402), (390, 202084), (456, 172835), (494, 159540), (520, 151563), (570, 138268), (741, 106360), (760, 103701), (780, 101042), (988, 79770), (1140, 69134), (1235, 63816), (1482, 53180), (1560, 50521), (1976, 39885), (2280, 34567), (2470, 31908), (2659, 29640), (2964, 26590), (3705, 21272), (4940, 15954), (5318, 14820), (5928, 13295), (7410, 10636), (7977, 9880)]