249598720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 693161280

約数和(自身を除く): 443562560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 224, 256, 280, 313, 320, 356, 445, 448, 560, 623, 626, 640, 712, 890, 896, 1120, 1246, 1252, 1280, 1424, 1565, 1780, 1792, 2191, 2240, 2492, 2504, 2848, 3115, 3130, 3560, 4382, 4480, 4984, 5008, 5696, 6230, 6260, 7120, 8764, 8960, 9968, 10016, 10955, 11392, 12460, 12520, 14240, 17528, 19936, 20032, 21910, 22784, 24920, 25040, 27857, 28480, 35056, 39872, 40064, 43820, 49840, 50080, 55714, 56960, 70112, 79744, 80128, 87640, 99680, 100160, 111428, 113920, 139285, 140224, 159488, 175280, 194999, 199360, 200320, 222856, 278570, 280448, 350560, 389998, 398720, 400640, 445712, 557140, 560896, 701120, 779996, 797440, 891424, 974995, 1114280, 1402240, 1559992, 1782848, 1949990, 2228560, 2804480, 3119984, 3565696, 3899980, 4457120, 6239968, 7131392, 7799960, 8914240, 12479936, 15599920, 17828480, 24959872, 31199840, 35656960, 49919744, 62399680, 124799360, 249598720]

約数ペア:

[(1, 249598720), (2, 124799360), (4, 62399680), (5, 49919744), (7, 35656960), (8, 31199840), (10, 24959872), (14, 17828480), (16, 15599920), (20, 12479936), (28, 8914240), (32, 7799960), (35, 7131392), (40, 6239968), (56, 4457120), (64, 3899980), (70, 3565696), (80, 3119984), (89, 2804480), (112, 2228560), (128, 1949990), (140, 1782848), (160, 1559992), (178, 1402240), (224, 1114280), (256, 974995), (280, 891424), (313, 797440), (320, 779996), (356, 701120), (445, 560896), (448, 557140), (560, 445712), (623, 400640), (626, 398720), (640, 389998), (712, 350560), (890, 280448), (896, 278570), (1120, 222856), (1246, 200320), (1252, 199360), (1280, 194999), (1424, 175280), (1565, 159488), (1780, 140224), (1792, 139285), (2191, 113920), (2240, 111428), (2492, 100160), (2504, 99680), (2848, 87640), (3115, 80128), (3130, 79744), (3560, 70112), (4382, 56960), (4480, 55714), (4984, 50080), (5008, 49840), (5696, 43820), (6230, 40064), (6260, 39872), (7120, 35056), (8764, 28480), (8960, 27857), (9968, 25040), (10016, 24920), (10955, 22784), (11392, 21910), (12460, 20032), (12520, 19936), (14240, 17528)]