19980581040

素因数分解:

$2^4\times 3^4\times 5^1\times 7^2\times {\mathrm{62927}}^1$

素因数の和:62966

約数の個数: 300

約数和(自身を含む): 80726681376

約数和(自身を除く): 60746100336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 162, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 324, 336, 360, 378, 392, 405, 420, 432, 441, 490, 504, 540, 560, 567, 588, 630, 648, 720, 735, 756, 784, 810, 840, 882, 945, 980, 1008, 1080, 1134, 1176, 1260, 1296, 1323, 1470, 1512, 1620, 1680, 1764, 1890, 1960, 2160, 2205, 2268, 2352, 2520, 2646, 2835, 2940, 3024, 3240, 3528, 3780, 3920, 3969, 4410, 4536, 5040, 5292, 5670, 5880, 6480, 6615, 7056, 7560, 7938, 8820, 9072, 10584, 11340, 11760, 13230, 15120, 15876, 17640, 19845, 21168, 22680, 26460, 31752, 35280, 39690, 45360, 52920, 62927, 63504, 79380, 105840, 125854, 158760, 188781, 251708, 314635, 317520, 377562, 440489, 503416, 566343, 629270, 755124, 880978, 943905, 1006832, 1132686, 1258540, 1321467, 1510248, 1699029, 1761956, 1887810, 2202445, 2265372, 2517080, 2642934, 2831715, 3020496, 3083423, 3398058, 3523912, 3775620, 3964401, 4404890, 4530744, 5034160, 5097087, 5285868, 5663430, 6166846, 6607335, 6796116, 7047824, 7551240, 7928802, 8495145, 8809780, 9061488, 9250269, 10194174, 10571736, 11326860, 11893203, 12333692, 13214670, 13592232, 15102480, 15417115, 15857604, 16990290, 17619560, 18500538, 19822005, 20388348, 21143472, 22653720, 23786406, 24667384, 25485435, 26429340, 27184464, 27750807, 30834230, 31715208, 33980580, 35239120, 35679609, 37001076, 39644010, 40776696, 45307440, 46251345, 47572812, 49334768, 50970870, 52858680, 55501614, 59466015, 61668460, 63430416, 67961160, 71359218, 74002152, 79288020, 81553392, 83252421, 92502690, 95145624, 101941740, 105717360, 111003228, 118932030, 123336920, 135922320, 138754035, 142718436, 148004304, 158576040, 166504842, 178398045, 185005380, 190291248, 203883480, 222006456, 237864060, 246673840, 249757263, 277508070, 285436872, 317152080, 333009684, 356796090, 370010760, 407766960, 416262105, 444012912, 475728120, 499514526, 555016140, 570873744, 666019368, 713592180, 740021520, 832524210, 951456240, 999029052, 1110032280, 1248786315, 1332038736, 1427184360, 1665048420, 1998058104, 2220064560, 2497572630, 2854368720, 3330096840, 3996116208, 4995145260, 6660193680, 9990290520, 19980581040]

約数ペア:

[(1, 19980581040), (2, 9990290520), (3, 6660193680), (4, 4995145260), (5, 3996116208), (6, 3330096840), (7, 2854368720), (8, 2497572630), (9, 2220064560), (10, 1998058104), (12, 1665048420), (14, 1427184360), (15, 1332038736), (16, 1248786315), (18, 1110032280), (20, 999029052), (21, 951456240), (24, 832524210), (27, 740021520), (28, 713592180), (30, 666019368), (35, 570873744), (36, 555016140), (40, 499514526), (42, 475728120), (45, 444012912), (48, 416262105), (49, 407766960), (54, 370010760), (56, 356796090), (60, 333009684), (63, 317152080), (70, 285436872), (72, 277508070), (80, 249757263), (81, 246673840), (84, 237864060), (90, 222006456), (98, 203883480), (105, 190291248), (108, 185005380), (112, 178398045), (120, 166504842), (126, 158576040), (135, 148004304), (140, 142718436), (144, 138754035), (147, 135922320), (162, 123336920), (168, 118932030), (180, 111003228), (189, 105717360), (196, 101941740), (210, 95145624), (216, 92502690), (240, 83252421), (245, 81553392), (252, 79288020), (270, 74002152), (280, 71359218), (294, 67961160), (315, 63430416), (324, 61668460), (336, 59466015), (360, 55501614), (378, 52858680), (392, 50970870), (405, 49334768), (420, 47572812), (432, 46251345), (441, 45307440), (490, 40776696), (504, 39644010), (540, 37001076), (560, 35679609), (567, 35239120), (588, 33980580), (630, 31715208), (648, 30834230), (720, 27750807), (735, 27184464), (756, 26429340), (784, 25485435), (810, 24667384), (840, 23786406), (882, 22653720), (945, 21143472), (980, 20388348), (1008, 19822005), (1080, 18500538), (1134, 17619560), (1176, 16990290), (1260, 15857604), (1296, 15417115), (1323, 15102480), (1470, 13592232), (1512, 13214670), (1620, 12333692), (1680, 11893203), (1764, 11326860), (1890, 10571736), (1960, 10194174), (2160, 9250269), (2205, 9061488), (2268, 8809780), (2352, 8495145), (2520, 7928802), (2646, 7551240), (2835, 7047824), (2940, 6796116), (3024, 6607335), (3240, 6166846), (3528, 5663430), (3780, 5285868), (3920, 5097087), (3969, 5034160), (4410, 4530744), (4536, 4404890), (5040, 3964401), (5292, 3775620), (5670, 3523912), (5880, 3398058), (6480, 3083423), (6615, 3020496), (7056, 2831715), (7560, 2642934), (7938, 2517080), (8820, 2265372), (9072, 2202445), (10584, 1887810), (11340, 1761956), (11760, 1699029), (13230, 1510248), (15120, 1321467), (15876, 1258540), (17640, 1132686), (19845, 1006832), (21168, 943905), (22680, 880978), (26460, 755124), (31752, 629270), (35280, 566343), (39690, 503416), (45360, 440489), (52920, 377562), (62927, 317520), (63504, 314635), (79380, 251708), (105840, 188781), (125854, 158760)]