85917440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 241747968

約数和(自身を除く): 155830528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 223, 224, 256, 280, 301, 320, 344, 430, 446, 448, 560, 602, 640, 688, 860, 892, 896, 1115, 1120, 1204, 1280, 1376, 1505, 1561, 1720, 1784, 1792, 2230, 2240, 2408, 2752, 3010, 3122, 3440, 3568, 4460, 4480, 4816, 5504, 6020, 6244, 6880, 7136, 7805, 8920, 8960, 9589, 9632, 11008, 12040, 12488, 13760, 14272, 15610, 17840, 19178, 19264, 24080, 24976, 27520, 28544, 31220, 35680, 38356, 38528, 47945, 48160, 49952, 55040, 57088, 62440, 67123, 71360, 76712, 77056, 95890, 96320, 99904, 124880, 134246, 142720, 153424, 191780, 192640, 199808, 249760, 268492, 285440, 306848, 335615, 383560, 385280, 399616, 499520, 536984, 613696, 671230, 767120, 999040, 1073968, 1227392, 1342460, 1534240, 1998080, 2147936, 2454784, 2684920, 3068480, 4295872, 5369840, 6136960, 8591744, 10739680, 12273920, 17183488, 21479360, 42958720, 85917440]

約数ペア:

[(1, 85917440), (2, 42958720), (4, 21479360), (5, 17183488), (7, 12273920), (8, 10739680), (10, 8591744), (14, 6136960), (16, 5369840), (20, 4295872), (28, 3068480), (32, 2684920), (35, 2454784), (40, 2147936), (43, 1998080), (56, 1534240), (64, 1342460), (70, 1227392), (80, 1073968), (86, 999040), (112, 767120), (128, 671230), (140, 613696), (160, 536984), (172, 499520), (215, 399616), (223, 385280), (224, 383560), (256, 335615), (280, 306848), (301, 285440), (320, 268492), (344, 249760), (430, 199808), (446, 192640), (448, 191780), (560, 153424), (602, 142720), (640, 134246), (688, 124880), (860, 99904), (892, 96320), (896, 95890), (1115, 77056), (1120, 76712), (1204, 71360), (1280, 67123), (1376, 62440), (1505, 57088), (1561, 55040), (1720, 49952), (1784, 48160), (1792, 47945), (2230, 38528), (2240, 38356), (2408, 35680), (2752, 31220), (3010, 28544), (3122, 27520), (3440, 24976), (3568, 24080), (4460, 19264), (4480, 19178), (4816, 17840), (5504, 15610), (6020, 14272), (6244, 13760), (6880, 12488), (7136, 12040), (7805, 11008), (8920, 9632), (8960, 9589)]