78391040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1$

素因数の和:714

約数の個数: 144

約数和(自身を含む): 231446208

約数和(自身を除く): 153055168

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 673, 728, 832, 896, 910, 1040, 1120, 1280, 1346, 1456, 1664, 1792, 1820, 2080, 2240, 2692, 2912, 3328, 3365, 3640, 4160, 4480, 4711, 5384, 5824, 6730, 7280, 8320, 8749, 8960, 9422, 10768, 11648, 13460, 14560, 16640, 17498, 18844, 21536, 23296, 23555, 26920, 29120, 34996, 37688, 43072, 43745, 47110, 53840, 58240, 61243, 69992, 75376, 86144, 87490, 94220, 107680, 116480, 122486, 139984, 150752, 172288, 174980, 188440, 215360, 244972, 279968, 301504, 306215, 349960, 376880, 430720, 489944, 559936, 603008, 612430, 699920, 753760, 861440, 979888, 1119872, 1206016, 1224860, 1399840, 1507520, 1959776, 2239744, 2449720, 2799680, 3015040, 3919552, 4899440, 5599360, 6030080, 7839104, 9798880, 11198720, 15678208, 19597760, 39195520, 78391040]

約数ペア:

[(1, 78391040), (2, 39195520), (4, 19597760), (5, 15678208), (7, 11198720), (8, 9798880), (10, 7839104), (13, 6030080), (14, 5599360), (16, 4899440), (20, 3919552), (26, 3015040), (28, 2799680), (32, 2449720), (35, 2239744), (40, 1959776), (52, 1507520), (56, 1399840), (64, 1224860), (65, 1206016), (70, 1119872), (80, 979888), (91, 861440), (104, 753760), (112, 699920), (128, 612430), (130, 603008), (140, 559936), (160, 489944), (182, 430720), (208, 376880), (224, 349960), (256, 306215), (260, 301504), (280, 279968), (320, 244972), (364, 215360), (416, 188440), (448, 174980), (455, 172288), (520, 150752), (560, 139984), (640, 122486), (673, 116480), (728, 107680), (832, 94220), (896, 87490), (910, 86144), (1040, 75376), (1120, 69992), (1280, 61243), (1346, 58240), (1456, 53840), (1664, 47110), (1792, 43745), (1820, 43072), (2080, 37688), (2240, 34996), (2692, 29120), (2912, 26920), (3328, 23555), (3365, 23296), (3640, 21536), (4160, 18844), (4480, 17498), (4711, 16640), (5384, 14560), (5824, 13460), (6730, 11648), (7280, 10768), (8320, 9422), (8749, 8960)]