1220101920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9739}}^1$

素因数の和:9792

約数の個数: 192

約数和(自身を含む): 4418064000

約数和(自身を除く): 3197962080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 174, 180, 216, 232, 240, 261, 270, 288, 290, 348, 360, 432, 435, 464, 480, 522, 540, 580, 696, 720, 783, 864, 870, 928, 1044, 1080, 1160, 1305, 1392, 1440, 1566, 1740, 2088, 2160, 2320, 2610, 2784, 3132, 3480, 3915, 4176, 4320, 4640, 5220, 6264, 6960, 7830, 8352, 9739, 10440, 12528, 13920, 15660, 19478, 20880, 25056, 29217, 31320, 38956, 41760, 48695, 58434, 62640, 77912, 87651, 97390, 116868, 125280, 146085, 155824, 175302, 194780, 233736, 262953, 282431, 292170, 311648, 350604, 389560, 438255, 467472, 525906, 564862, 584340, 701208, 779120, 847293, 876510, 934944, 1051812, 1129724, 1168680, 1314765, 1402416, 1412155, 1558240, 1694586, 1753020, 2103624, 2259448, 2337360, 2541879, 2629530, 2804832, 2824310, 3389172, 3506040, 4207248, 4236465, 4518896, 4674720, 5083758, 5259060, 5648620, 6778344, 7012080, 7625637, 8414496, 8472930, 9037792, 10167516, 10518120, 11297240, 12709395, 13556688, 14024160, 15251274, 16945860, 20335032, 21036240, 22594480, 25418790, 27113376, 30502548, 33891720, 38128185, 40670064, 42072480, 45188960, 50837580, 61005096, 67783440, 76256370, 81340128, 101675160, 122010192, 135566880, 152512740, 203350320, 244020384, 305025480, 406700640, 610050960, 1220101920]

約数ペア:

[(1, 1220101920), (2, 610050960), (3, 406700640), (4, 305025480), (5, 244020384), (6, 203350320), (8, 152512740), (9, 135566880), (10, 122010192), (12, 101675160), (15, 81340128), (16, 76256370), (18, 67783440), (20, 61005096), (24, 50837580), (27, 45188960), (29, 42072480), (30, 40670064), (32, 38128185), (36, 33891720), (40, 30502548), (45, 27113376), (48, 25418790), (54, 22594480), (58, 21036240), (60, 20335032), (72, 16945860), (80, 15251274), (87, 14024160), (90, 13556688), (96, 12709395), (108, 11297240), (116, 10518120), (120, 10167516), (135, 9037792), (144, 8472930), (145, 8414496), (160, 7625637), (174, 7012080), (180, 6778344), (216, 5648620), (232, 5259060), (240, 5083758), (261, 4674720), (270, 4518896), (288, 4236465), (290, 4207248), (348, 3506040), (360, 3389172), (432, 2824310), (435, 2804832), (464, 2629530), (480, 2541879), (522, 2337360), (540, 2259448), (580, 2103624), (696, 1753020), (720, 1694586), (783, 1558240), (864, 1412155), (870, 1402416), (928, 1314765), (1044, 1168680), (1080, 1129724), (1160, 1051812), (1305, 934944), (1392, 876510), (1440, 847293), (1566, 779120), (1740, 701208), (2088, 584340), (2160, 564862), (2320, 525906), (2610, 467472), (2784, 438255), (3132, 389560), (3480, 350604), (3915, 311648), (4176, 292170), (4320, 282431), (4640, 262953), (5220, 233736), (6264, 194780), (6960, 175302), (7830, 155824), (8352, 146085), (9739, 125280), (10440, 116868), (12528, 97390), (13920, 87651), (15660, 77912), (19478, 62640), (20880, 58434), (25056, 48695), (29217, 41760), (31320, 38956)]