220492160

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 627912000

約数和(自身を除く): 407419840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 79, 80, 89, 98, 112, 128, 140, 158, 160, 178, 196, 224, 245, 280, 316, 320, 356, 392, 395, 445, 448, 490, 553, 560, 623, 632, 640, 712, 784, 790, 890, 896, 980, 1106, 1120, 1246, 1264, 1424, 1568, 1580, 1780, 1960, 2212, 2240, 2492, 2528, 2765, 2848, 3115, 3136, 3160, 3560, 3871, 3920, 4361, 4424, 4480, 4984, 5056, 5530, 5696, 6230, 6272, 6320, 7031, 7120, 7742, 7840, 8722, 8848, 9968, 10112, 11060, 11392, 12460, 12640, 14062, 14240, 15484, 15680, 17444, 17696, 19355, 19936, 21805, 22120, 24920, 25280, 28124, 28480, 30968, 31360, 34888, 35155, 35392, 38710, 39872, 43610, 44240, 49217, 49840, 50560, 56248, 56960, 61936, 69776, 70310, 70784, 77420, 79744, 87220, 88480, 98434, 99680, 112496, 123872, 139552, 140620, 154840, 174440, 176960, 196868, 199360, 224992, 246085, 247744, 279104, 281240, 309680, 344519, 348880, 353920, 393736, 398720, 449984, 492170, 495488, 558208, 562480, 619360, 689038, 697760, 787472, 899968, 984340, 1124960, 1238720, 1378076, 1395520, 1574944, 1722595, 1968680, 2249920, 2477440, 2756152, 2791040, 3149888, 3445190, 3937360, 4499840, 5512304, 6299776, 6890380, 7874720, 11024608, 13780760, 15749440, 22049216, 27561520, 31498880, 44098432, 55123040, 110246080, 220492160]

約数ペア:

[(1, 220492160), (2, 110246080), (4, 55123040), (5, 44098432), (7, 31498880), (8, 27561520), (10, 22049216), (14, 15749440), (16, 13780760), (20, 11024608), (28, 7874720), (32, 6890380), (35, 6299776), (40, 5512304), (49, 4499840), (56, 3937360), (64, 3445190), (70, 3149888), (79, 2791040), (80, 2756152), (89, 2477440), (98, 2249920), (112, 1968680), (128, 1722595), (140, 1574944), (158, 1395520), (160, 1378076), (178, 1238720), (196, 1124960), (224, 984340), (245, 899968), (280, 787472), (316, 697760), (320, 689038), (356, 619360), (392, 562480), (395, 558208), (445, 495488), (448, 492170), (490, 449984), (553, 398720), (560, 393736), (623, 353920), (632, 348880), (640, 344519), (712, 309680), (784, 281240), (790, 279104), (890, 247744), (896, 246085), (980, 224992), (1106, 199360), (1120, 196868), (1246, 176960), (1264, 174440), (1424, 154840), (1568, 140620), (1580, 139552), (1780, 123872), (1960, 112496), (2212, 99680), (2240, 98434), (2492, 88480), (2528, 87220), (2765, 79744), (2848, 77420), (3115, 70784), (3136, 70310), (3160, 69776), (3560, 61936), (3871, 56960), (3920, 56248), (4361, 50560), (4424, 49840), (4480, 49217), (4984, 44240), (5056, 43610), (5530, 39872), (5696, 38710), (6230, 35392), (6272, 35155), (6320, 34888), (7031, 31360), (7120, 30968), (7742, 28480), (7840, 28124), (8722, 25280), (8848, 24920), (9968, 22120), (10112, 21805), (11060, 19936), (11392, 19355), (12460, 17696), (12640, 17444), (14062, 15680), (14240, 15484)]