201618720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 240

約数和(自身を含む): 728880768

約数和(自身を除く): 527262048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 72, 80, 81, 90, 94, 96, 108, 120, 135, 141, 144, 160, 162, 180, 188, 216, 235, 240, 270, 282, 288, 324, 331, 360, 376, 405, 423, 432, 470, 480, 540, 564, 648, 662, 705, 720, 752, 810, 846, 864, 940, 993, 1080, 1128, 1269, 1296, 1324, 1410, 1440, 1504, 1620, 1655, 1692, 1880, 1986, 2115, 2160, 2256, 2538, 2592, 2648, 2820, 2979, 3240, 3310, 3384, 3760, 3807, 3972, 4230, 4320, 4512, 4965, 5076, 5296, 5640, 5958, 6345, 6480, 6620, 6768, 7520, 7614, 7944, 8460, 8937, 9930, 10152, 10592, 11280, 11916, 12690, 12960, 13240, 13536, 14895, 15228, 15557, 15888, 16920, 17874, 19035, 19860, 20304, 22560, 23832, 25380, 26480, 26811, 29790, 30456, 31114, 31776, 33840, 35748, 38070, 39720, 40608, 44685, 46671, 47664, 50760, 52960, 53622, 59580, 60912, 62228, 67680, 71496, 76140, 77785, 79440, 89370, 93342, 95328, 101520, 107244, 119160, 121824, 124456, 134055, 140013, 142992, 152280, 155570, 158880, 178740, 186684, 203040, 214488, 233355, 238320, 248912, 268110, 280026, 285984, 304560, 311140, 357480, 373368, 420039, 428976, 466710, 476640, 497824, 536220, 560052, 609120, 622280, 700065, 714960, 746736, 840078, 857952, 933420, 1072440, 1120104, 1244560, 1260117, 1400130, 1429920, 1493472, 1680156, 1866840, 2100195, 2144880, 2240208, 2489120, 2520234, 2800260, 3360312, 3733680, 4200390, 4289760, 4480416, 5040468, 5600520, 6300585, 6720624, 7467360, 8400780, 10080936, 11201040, 12601170, 13441248, 16801560, 20161872, 22402080, 25202340, 33603120, 40323744, 50404680, 67206240, 100809360, 201618720]

約数ペア:

[(1, 201618720), (2, 100809360), (3, 67206240), (4, 50404680), (5, 40323744), (6, 33603120), (8, 25202340), (9, 22402080), (10, 20161872), (12, 16801560), (15, 13441248), (16, 12601170), (18, 11201040), (20, 10080936), (24, 8400780), (27, 7467360), (30, 6720624), (32, 6300585), (36, 5600520), (40, 5040468), (45, 4480416), (47, 4289760), (48, 4200390), (54, 3733680), (60, 3360312), (72, 2800260), (80, 2520234), (81, 2489120), (90, 2240208), (94, 2144880), (96, 2100195), (108, 1866840), (120, 1680156), (135, 1493472), (141, 1429920), (144, 1400130), (160, 1260117), (162, 1244560), (180, 1120104), (188, 1072440), (216, 933420), (235, 857952), (240, 840078), (270, 746736), (282, 714960), (288, 700065), (324, 622280), (331, 609120), (360, 560052), (376, 536220), (405, 497824), (423, 476640), (432, 466710), (470, 428976), (480, 420039), (540, 373368), (564, 357480), (648, 311140), (662, 304560), (705, 285984), (720, 280026), (752, 268110), (810, 248912), (846, 238320), (864, 233355), (940, 214488), (993, 203040), (1080, 186684), (1128, 178740), (1269, 158880), (1296, 155570), (1324, 152280), (1410, 142992), (1440, 140013), (1504, 134055), (1620, 124456), (1655, 121824), (1692, 119160), (1880, 107244), (1986, 101520), (2115, 95328), (2160, 93342), (2256, 89370), (2538, 79440), (2592, 77785), (2648, 76140), (2820, 71496), (2979, 67680), (3240, 62228), (3310, 60912), (3384, 59580), (3760, 53622), (3807, 52960), (3972, 50760), (4230, 47664), (4320, 46671), (4512, 44685), (4965, 40608), (5076, 39720), (5296, 38070), (5640, 35748), (5958, 33840), (6345, 31776), (6480, 31114), (6620, 30456), (6768, 29790), (7520, 26811), (7614, 26480), (7944, 25380), (8460, 23832), (8937, 22560), (9930, 20304), (10152, 19860), (10592, 19035), (11280, 17874), (11916, 16920), (12690, 15888), (12960, 15557), (13240, 15228), (13536, 14895)]