77906920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1259}}^1$

素因数の和:1307

約数の個数: 128

約数和(自身を含む): 228614400

約数和(自身を除く): 150707480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1259, 1547, 1768, 1820, 2210, 2380, 2518, 3094, 3640, 4420, 4760, 5036, 6188, 6295, 7735, 8813, 8840, 10072, 12376, 12590, 15470, 16367, 17626, 21403, 25180, 30940, 32734, 35252, 42806, 44065, 50360, 61880, 65468, 70504, 81835, 85612, 88130, 107015, 114569, 130936, 149821, 163670, 171224, 176260, 214030, 229138, 278239, 299642, 327340, 352520, 428060, 458276, 556478, 572845, 599284, 654680, 749105, 856120, 916552, 1112956, 1145690, 1198568, 1391195, 1498210, 1947673, 2225912, 2291380, 2782390, 2996420, 3895346, 4582760, 5564780, 5992840, 7790692, 9738365, 11129560, 15581384, 19476730, 38953460, 77906920]

約数ペア:

[(1, 77906920), (2, 38953460), (4, 19476730), (5, 15581384), (7, 11129560), (8, 9738365), (10, 7790692), (13, 5992840), (14, 5564780), (17, 4582760), (20, 3895346), (26, 2996420), (28, 2782390), (34, 2291380), (35, 2225912), (40, 1947673), (52, 1498210), (56, 1391195), (65, 1198568), (68, 1145690), (70, 1112956), (85, 916552), (91, 856120), (104, 749105), (119, 654680), (130, 599284), (136, 572845), (140, 556478), (170, 458276), (182, 428060), (221, 352520), (238, 327340), (260, 299642), (280, 278239), (340, 229138), (364, 214030), (442, 176260), (455, 171224), (476, 163670), (520, 149821), (595, 130936), (680, 114569), (728, 107015), (884, 88130), (910, 85612), (952, 81835), (1105, 70504), (1190, 65468), (1259, 61880), (1547, 50360), (1768, 44065), (1820, 42806), (2210, 35252), (2380, 32734), (2518, 30940), (3094, 25180), (3640, 21403), (4420, 17626), (4760, 16367), (5036, 15470), (6188, 12590), (6295, 12376), (7735, 10072), (8813, 8840)]