20536800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 144

約数和(自身を含む): 68745600

約数和(自身を除く): 48208800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 43, 48, 50, 60, 75, 80, 86, 96, 100, 120, 129, 150, 160, 172, 199, 200, 215, 240, 258, 300, 344, 398, 400, 430, 480, 516, 597, 600, 645, 688, 796, 800, 860, 995, 1032, 1075, 1194, 1200, 1290, 1376, 1592, 1720, 1990, 2064, 2150, 2388, 2400, 2580, 2985, 3184, 3225, 3440, 3980, 4128, 4300, 4776, 4975, 5160, 5970, 6368, 6450, 6880, 7960, 8557, 8600, 9552, 9950, 10320, 11940, 12900, 14925, 15920, 17114, 17200, 19104, 19900, 20640, 23880, 25671, 25800, 29850, 31840, 34228, 34400, 39800, 42785, 47760, 51342, 51600, 59700, 68456, 79600, 85570, 95520, 102684, 103200, 119400, 128355, 136912, 159200, 171140, 205368, 213925, 238800, 256710, 273824, 342280, 410736, 427850, 477600, 513420, 641775, 684560, 821472, 855700, 1026840, 1283550, 1369120, 1711400, 2053680, 2567100, 3422800, 4107360, 5134200, 6845600, 10268400, 20536800]

約数ペア:

[(1, 20536800), (2, 10268400), (3, 6845600), (4, 5134200), (5, 4107360), (6, 3422800), (8, 2567100), (10, 2053680), (12, 1711400), (15, 1369120), (16, 1283550), (20, 1026840), (24, 855700), (25, 821472), (30, 684560), (32, 641775), (40, 513420), (43, 477600), (48, 427850), (50, 410736), (60, 342280), (75, 273824), (80, 256710), (86, 238800), (96, 213925), (100, 205368), (120, 171140), (129, 159200), (150, 136912), (160, 128355), (172, 119400), (199, 103200), (200, 102684), (215, 95520), (240, 85570), (258, 79600), (300, 68456), (344, 59700), (398, 51600), (400, 51342), (430, 47760), (480, 42785), (516, 39800), (597, 34400), (600, 34228), (645, 31840), (688, 29850), (796, 25800), (800, 25671), (860, 23880), (995, 20640), (1032, 19900), (1075, 19104), (1194, 17200), (1200, 17114), (1290, 15920), (1376, 14925), (1592, 12900), (1720, 11940), (1990, 10320), (2064, 9950), (2150, 9552), (2388, 8600), (2400, 8557), (2580, 7960), (2985, 6880), (3184, 6450), (3225, 6368), (3440, 5970), (3980, 5160), (4128, 4975), (4300, 4776)]