189790720

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 240

約数和(自身を含む): 566782920

約数和(自身を除く): 376992200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 89, 98, 112, 119, 128, 136, 140, 160, 170, 178, 196, 224, 238, 245, 256, 272, 280, 320, 340, 356, 392, 445, 448, 476, 490, 512, 544, 560, 595, 623, 640, 680, 712, 784, 833, 890, 896, 952, 980, 1088, 1120, 1190, 1246, 1280, 1360, 1424, 1513, 1568, 1666, 1780, 1792, 1904, 1960, 2176, 2240, 2380, 2492, 2560, 2720, 2848, 3026, 3115, 3136, 3332, 3560, 3584, 3808, 3920, 4165, 4352, 4361, 4480, 4760, 4984, 5440, 5696, 6052, 6230, 6272, 6664, 7120, 7565, 7616, 7840, 8330, 8704, 8722, 8960, 9520, 9968, 10591, 10880, 11392, 12104, 12460, 12544, 13328, 14240, 15130, 15232, 15680, 16660, 17444, 17920, 19040, 19936, 21182, 21760, 21805, 22784, 24208, 24920, 25088, 26656, 28480, 30260, 30464, 31360, 33320, 34888, 38080, 39872, 42364, 43520, 43610, 45568, 48416, 49840, 52955, 53312, 56960, 60520, 60928, 62720, 66640, 69776, 74137, 76160, 79744, 84728, 87220, 96832, 99680, 105910, 106624, 113920, 121040, 125440, 133280, 139552, 148274, 152320, 159488, 169456, 174440, 193664, 199360, 211820, 213248, 227840, 242080, 266560, 279104, 296548, 304640, 318976, 338912, 348880, 370685, 387328, 398720, 423640, 426496, 484160, 533120, 558208, 593096, 677824, 697760, 741370, 774656, 797440, 847280, 968320, 1066240, 1116416, 1186192, 1355648, 1395520, 1482740, 1594880, 1694560, 1936640, 2132480, 2232832, 2372384, 2711296, 2791040, 2965480, 3389120, 3873280, 4744768, 5422592, 5582080, 5930960, 6778240, 9489536, 11164160, 11861920, 13556480, 18979072, 23723840, 27112960, 37958144, 47447680, 94895360, 189790720]

約数ペア:

[(1, 189790720), (2, 94895360), (4, 47447680), (5, 37958144), (7, 27112960), (8, 23723840), (10, 18979072), (14, 13556480), (16, 11861920), (17, 11164160), (20, 9489536), (28, 6778240), (32, 5930960), (34, 5582080), (35, 5422592), (40, 4744768), (49, 3873280), (56, 3389120), (64, 2965480), (68, 2791040), (70, 2711296), (80, 2372384), (85, 2232832), (89, 2132480), (98, 1936640), (112, 1694560), (119, 1594880), (128, 1482740), (136, 1395520), (140, 1355648), (160, 1186192), (170, 1116416), (178, 1066240), (196, 968320), (224, 847280), (238, 797440), (245, 774656), (256, 741370), (272, 697760), (280, 677824), (320, 593096), (340, 558208), (356, 533120), (392, 484160), (445, 426496), (448, 423640), (476, 398720), (490, 387328), (512, 370685), (544, 348880), (560, 338912), (595, 318976), (623, 304640), (640, 296548), (680, 279104), (712, 266560), (784, 242080), (833, 227840), (890, 213248), (896, 211820), (952, 199360), (980, 193664), (1088, 174440), (1120, 169456), (1190, 159488), (1246, 152320), (1280, 148274), (1360, 139552), (1424, 133280), (1513, 125440), (1568, 121040), (1666, 113920), (1780, 106624), (1792, 105910), (1904, 99680), (1960, 96832), (2176, 87220), (2240, 84728), (2380, 79744), (2492, 76160), (2560, 74137), (2720, 69776), (2848, 66640), (3026, 62720), (3115, 60928), (3136, 60520), (3332, 56960), (3560, 53312), (3584, 52955), (3808, 49840), (3920, 48416), (4165, 45568), (4352, 43610), (4361, 43520), (4480, 42364), (4760, 39872), (4984, 38080), (5440, 34888), (5696, 33320), (6052, 31360), (6230, 30464), (6272, 30260), (6664, 28480), (7120, 26656), (7565, 25088), (7616, 24920), (7840, 24208), (8330, 22784), (8704, 21805), (8722, 21760), (8960, 21182), (9520, 19936), (9968, 19040), (10591, 17920), (10880, 17444), (11392, 16660), (12104, 15680), (12460, 15232), (12544, 15130), (13328, 14240)]