78816640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 219193920

約数和(自身を除く): 140377280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 241, 280, 292, 320, 365, 448, 482, 511, 560, 584, 640, 730, 896, 964, 1022, 1120, 1168, 1205, 1460, 1687, 1928, 2044, 2240, 2336, 2410, 2555, 2920, 3374, 3856, 4088, 4480, 4672, 4820, 5110, 5840, 6748, 7712, 8176, 8435, 9344, 9640, 10220, 11680, 13496, 15424, 16352, 16870, 17593, 19280, 20440, 23360, 26992, 30848, 32704, 33740, 35186, 38560, 40880, 46720, 53984, 65408, 67480, 70372, 77120, 81760, 87965, 107968, 123151, 134960, 140744, 154240, 163520, 175930, 215936, 246302, 269920, 281488, 327040, 351860, 492604, 539840, 562976, 615755, 703720, 985208, 1079680, 1125952, 1231510, 1407440, 1970416, 2251904, 2463020, 2814880, 3940832, 4926040, 5629760, 7881664, 9852080, 11259520, 15763328, 19704160, 39408320, 78816640]

約数ペア:

[(1, 78816640), (2, 39408320), (4, 19704160), (5, 15763328), (7, 11259520), (8, 9852080), (10, 7881664), (14, 5629760), (16, 4926040), (20, 3940832), (28, 2814880), (32, 2463020), (35, 2251904), (40, 1970416), (56, 1407440), (64, 1231510), (70, 1125952), (73, 1079680), (80, 985208), (112, 703720), (128, 615755), (140, 562976), (146, 539840), (160, 492604), (224, 351860), (241, 327040), (280, 281488), (292, 269920), (320, 246302), (365, 215936), (448, 175930), (482, 163520), (511, 154240), (560, 140744), (584, 134960), (640, 123151), (730, 107968), (896, 87965), (964, 81760), (1022, 77120), (1120, 70372), (1168, 67480), (1205, 65408), (1460, 53984), (1687, 46720), (1928, 40880), (2044, 38560), (2240, 35186), (2336, 33740), (2410, 32704), (2555, 30848), (2920, 26992), (3374, 23360), (3856, 20440), (4088, 19280), (4480, 17593), (4672, 16870), (4820, 16352), (5110, 15424), (5840, 13496), (6748, 11680), (7712, 10220), (8176, 9640), (8435, 9344)]