281938720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13249}}^1$

素因数の和:13290

約数の個数: 96

約数和(自身を含む): 801360000

約数和(自身を除く): 519421280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 4256, 5320, 10640, 13249, 21280, 26498, 52996, 66245, 92743, 105992, 132490, 185486, 211984, 251731, 264980, 370972, 423968, 463715, 503462, 529960, 741944, 927430, 1006924, 1059920, 1258655, 1483888, 1762117, 1854860, 2013848, 2119840, 2517310, 2967776, 3524234, 3709720, 4027696, 5034620, 7048468, 7419440, 8055392, 8810585, 10069240, 14096936, 14838880, 17621170, 20138480, 28193872, 35242340, 40276960, 56387744, 70484680, 140969360, 281938720]

約数ペア:

[(1, 281938720), (2, 140969360), (4, 70484680), (5, 56387744), (7, 40276960), (8, 35242340), (10, 28193872), (14, 20138480), (16, 17621170), (19, 14838880), (20, 14096936), (28, 10069240), (32, 8810585), (35, 8055392), (38, 7419440), (40, 7048468), (56, 5034620), (70, 4027696), (76, 3709720), (80, 3524234), (95, 2967776), (112, 2517310), (133, 2119840), (140, 2013848), (152, 1854860), (160, 1762117), (190, 1483888), (224, 1258655), (266, 1059920), (280, 1006924), (304, 927430), (380, 741944), (532, 529960), (560, 503462), (608, 463715), (665, 423968), (760, 370972), (1064, 264980), (1120, 251731), (1330, 211984), (1520, 185486), (2128, 132490), (2660, 105992), (3040, 92743), (4256, 66245), (5320, 52996), (10640, 26498), (13249, 21280)]