78423040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 132

約数和(自身を含む): 203610996

約数和(自身を除く): 125187956

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 64, 68, 80, 85, 106, 128, 136, 160, 170, 212, 256, 265, 272, 289, 320, 340, 424, 512, 530, 544, 578, 640, 680, 848, 901, 1024, 1060, 1088, 1156, 1280, 1360, 1445, 1696, 1802, 2120, 2176, 2312, 2560, 2720, 2890, 3392, 3604, 4240, 4352, 4505, 4624, 5120, 5440, 5780, 6784, 7208, 8480, 8704, 9010, 9248, 10880, 11560, 13568, 14416, 15317, 16960, 17408, 18020, 18496, 21760, 23120, 27136, 28832, 30634, 33920, 36040, 36992, 43520, 46240, 54272, 57664, 61268, 67840, 72080, 73984, 76585, 87040, 92480, 115328, 122536, 135680, 144160, 147968, 153170, 184960, 230656, 245072, 271360, 288320, 295936, 306340, 369920, 461312, 490144, 576640, 612680, 739840, 922624, 980288, 1153280, 1225360, 1479680, 1960576, 2306560, 2450720, 3921152, 4613120, 4901440, 7842304, 9802880, 15684608, 19605760, 39211520, 78423040]

約数ペア:

[(1, 78423040), (2, 39211520), (4, 19605760), (5, 15684608), (8, 9802880), (10, 7842304), (16, 4901440), (17, 4613120), (20, 3921152), (32, 2450720), (34, 2306560), (40, 1960576), (53, 1479680), (64, 1225360), (68, 1153280), (80, 980288), (85, 922624), (106, 739840), (128, 612680), (136, 576640), (160, 490144), (170, 461312), (212, 369920), (256, 306340), (265, 295936), (272, 288320), (289, 271360), (320, 245072), (340, 230656), (424, 184960), (512, 153170), (530, 147968), (544, 144160), (578, 135680), (640, 122536), (680, 115328), (848, 92480), (901, 87040), (1024, 76585), (1060, 73984), (1088, 72080), (1156, 67840), (1280, 61268), (1360, 57664), (1445, 54272), (1696, 46240), (1802, 43520), (2120, 36992), (2176, 36040), (2312, 33920), (2560, 30634), (2720, 28832), (2890, 27136), (3392, 23120), (3604, 21760), (4240, 18496), (4352, 18020), (4505, 17408), (4624, 16960), (5120, 15317), (5440, 14416), (5780, 13568), (6784, 11560), (7208, 10880), (8480, 9248), (8704, 9010)]