248450560

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 160

約数和(自身を含む): 636289632

約数和(自身を除く): 387839072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 61, 64, 74, 80, 86, 122, 128, 148, 160, 172, 185, 215, 244, 256, 296, 305, 320, 344, 370, 430, 488, 512, 592, 610, 640, 688, 740, 860, 976, 1184, 1220, 1280, 1376, 1480, 1591, 1720, 1952, 2257, 2368, 2440, 2560, 2623, 2752, 2960, 3182, 3440, 3904, 4514, 4736, 4880, 5246, 5504, 5920, 6364, 6880, 7808, 7955, 9028, 9472, 9760, 10492, 11008, 11285, 11840, 12728, 13115, 13760, 15616, 15910, 18056, 18944, 19520, 20984, 22016, 22570, 23680, 25456, 26230, 27520, 31232, 31820, 36112, 39040, 41968, 45140, 47360, 50912, 52460, 55040, 63640, 72224, 78080, 83936, 90280, 94720, 97051, 101824, 104920, 110080, 127280, 144448, 156160, 167872, 180560, 194102, 203648, 209840, 254560, 288896, 335744, 361120, 388204, 407296, 419680, 485255, 509120, 577792, 671488, 722240, 776408, 814592, 839360, 970510, 1018240, 1155584, 1342976, 1444480, 1552816, 1678720, 1941020, 2036480, 2888960, 3105632, 3357440, 3882040, 4072960, 5777920, 6211264, 6714880, 7764080, 12422528, 15528160, 24845056, 31056320, 49690112, 62112640, 124225280, 248450560]

約数ペア:

[(1, 248450560), (2, 124225280), (4, 62112640), (5, 49690112), (8, 31056320), (10, 24845056), (16, 15528160), (20, 12422528), (32, 7764080), (37, 6714880), (40, 6211264), (43, 5777920), (61, 4072960), (64, 3882040), (74, 3357440), (80, 3105632), (86, 2888960), (122, 2036480), (128, 1941020), (148, 1678720), (160, 1552816), (172, 1444480), (185, 1342976), (215, 1155584), (244, 1018240), (256, 970510), (296, 839360), (305, 814592), (320, 776408), (344, 722240), (370, 671488), (430, 577792), (488, 509120), (512, 485255), (592, 419680), (610, 407296), (640, 388204), (688, 361120), (740, 335744), (860, 288896), (976, 254560), (1184, 209840), (1220, 203648), (1280, 194102), (1376, 180560), (1480, 167872), (1591, 156160), (1720, 144448), (1952, 127280), (2257, 110080), (2368, 104920), (2440, 101824), (2560, 97051), (2623, 94720), (2752, 90280), (2960, 83936), (3182, 78080), (3440, 72224), (3904, 63640), (4514, 55040), (4736, 52460), (4880, 50912), (5246, 47360), (5504, 45140), (5920, 41968), (6364, 39040), (6880, 36112), (7808, 31820), (7955, 31232), (9028, 27520), (9472, 26230), (9760, 25456), (10492, 23680), (11008, 22570), (11285, 22016), (11840, 20984), (12728, 19520), (13115, 18944), (13760, 18056), (15616, 15910)]