680328320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{839}}^1$

素因数の和:1046

約数の個数: 128

約数和(自身を含む): 1871251200

約数和(自身を除く): 1190922880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 181, 224, 280, 320, 362, 448, 560, 640, 724, 839, 896, 905, 1120, 1267, 1448, 1678, 1810, 2240, 2534, 2896, 3356, 3620, 4195, 4480, 5068, 5792, 5873, 6335, 6712, 7240, 8390, 10136, 11584, 11746, 12670, 13424, 14480, 16780, 20272, 23168, 23492, 25340, 26848, 28960, 29365, 33560, 40544, 46984, 50680, 53696, 57920, 58730, 67120, 81088, 93968, 101360, 107392, 115840, 117460, 134240, 151859, 162176, 187936, 202720, 234920, 268480, 303718, 375872, 405440, 469840, 536960, 607436, 751744, 759295, 810880, 939680, 1063013, 1214872, 1518590, 1879360, 2126026, 2429744, 3037180, 3758720, 4252052, 4859488, 5315065, 6074360, 8504104, 9718976, 10630130, 12148720, 17008208, 19437952, 21260260, 24297440, 34016416, 42520520, 48594880, 68032832, 85041040, 97189760, 136065664, 170082080, 340164160, 680328320]

約数ペア:

[(1, 680328320), (2, 340164160), (4, 170082080), (5, 136065664), (7, 97189760), (8, 85041040), (10, 68032832), (14, 48594880), (16, 42520520), (20, 34016416), (28, 24297440), (32, 21260260), (35, 19437952), (40, 17008208), (56, 12148720), (64, 10630130), (70, 9718976), (80, 8504104), (112, 6074360), (128, 5315065), (140, 4859488), (160, 4252052), (181, 3758720), (224, 3037180), (280, 2429744), (320, 2126026), (362, 1879360), (448, 1518590), (560, 1214872), (640, 1063013), (724, 939680), (839, 810880), (896, 759295), (905, 751744), (1120, 607436), (1267, 536960), (1448, 469840), (1678, 405440), (1810, 375872), (2240, 303718), (2534, 268480), (2896, 234920), (3356, 202720), (3620, 187936), (4195, 162176), (4480, 151859), (5068, 134240), (5792, 117460), (5873, 115840), (6335, 107392), (6712, 101360), (7240, 93968), (8390, 81088), (10136, 67120), (11584, 58730), (11746, 57920), (12670, 53696), (13424, 50680), (14480, 46984), (16780, 40544), (20272, 33560), (23168, 29365), (23492, 28960), (25340, 26848)]