1640558080

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1103}}^1$

素因数の和:1216

約数の個数: 160

約数和(自身を含む): 4553708544

約数和(自身を除く): 2913150464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 112, 128, 140, 160, 166, 224, 256, 280, 320, 332, 415, 448, 512, 560, 581, 640, 664, 830, 896, 1103, 1120, 1162, 1280, 1328, 1660, 1792, 2206, 2240, 2324, 2560, 2656, 2905, 3320, 3584, 4412, 4480, 4648, 5312, 5515, 5810, 6640, 7721, 8824, 8960, 9296, 10624, 11030, 11620, 13280, 15442, 17648, 17920, 18592, 21248, 22060, 23240, 26560, 30884, 35296, 37184, 38605, 42496, 44120, 46480, 53120, 61768, 70592, 74368, 77210, 88240, 91549, 92960, 106240, 123536, 141184, 148736, 154420, 176480, 183098, 185920, 212480, 247072, 282368, 297472, 308840, 352960, 366196, 371840, 457745, 494144, 564736, 617680, 640843, 705920, 732392, 743680, 915490, 988288, 1235360, 1281686, 1411840, 1464784, 1487360, 1830980, 1976576, 2470720, 2563372, 2823680, 2929568, 3204215, 3661960, 3953152, 4941440, 5126744, 5859136, 6408430, 7323920, 9882880, 10253488, 11718272, 12816860, 14647840, 19765760, 20506976, 23436544, 25633720, 29295680, 41013952, 46873088, 51267440, 58591360, 82027904, 102534880, 117182720, 164055808, 205069760, 234365440, 328111616, 410139520, 820279040, 1640558080]

約数ペア:

[(1, 1640558080), (2, 820279040), (4, 410139520), (5, 328111616), (7, 234365440), (8, 205069760), (10, 164055808), (14, 117182720), (16, 102534880), (20, 82027904), (28, 58591360), (32, 51267440), (35, 46873088), (40, 41013952), (56, 29295680), (64, 25633720), (70, 23436544), (80, 20506976), (83, 19765760), (112, 14647840), (128, 12816860), (140, 11718272), (160, 10253488), (166, 9882880), (224, 7323920), (256, 6408430), (280, 5859136), (320, 5126744), (332, 4941440), (415, 3953152), (448, 3661960), (512, 3204215), (560, 2929568), (581, 2823680), (640, 2563372), (664, 2470720), (830, 1976576), (896, 1830980), (1103, 1487360), (1120, 1464784), (1162, 1411840), (1280, 1281686), (1328, 1235360), (1660, 988288), (1792, 915490), (2206, 743680), (2240, 732392), (2324, 705920), (2560, 640843), (2656, 617680), (2905, 564736), (3320, 494144), (3584, 457745), (4412, 371840), (4480, 366196), (4648, 352960), (5312, 308840), (5515, 297472), (5810, 282368), (6640, 247072), (7721, 212480), (8824, 185920), (8960, 183098), (9296, 176480), (10624, 154420), (11030, 148736), (11620, 141184), (13280, 123536), (15442, 106240), (17648, 92960), (17920, 91549), (18592, 88240), (21248, 77210), (22060, 74368), (23240, 70592), (26560, 61768), (30884, 53120), (35296, 46480), (37184, 44120), (38605, 42496)]