205417440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4919}}^1$

素因数の和:4969

約数の個数: 144

約数和(自身を含む): 725306400

約数和(自身を除く): 519888960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 1044, 1160, 1305, 1392, 1440, 1740, 2088, 2320, 2610, 2784, 3480, 4176, 4640, 4919, 5220, 6960, 8352, 9838, 10440, 13920, 14757, 19676, 20880, 24595, 29514, 39352, 41760, 44271, 49190, 59028, 73785, 78704, 88542, 98380, 118056, 142651, 147570, 157408, 177084, 196760, 221355, 236112, 285302, 295140, 354168, 393520, 427953, 442710, 472224, 570604, 590280, 708336, 713255, 787040, 855906, 885420, 1141208, 1180560, 1283859, 1416672, 1426510, 1711812, 1770840, 2139765, 2282416, 2361120, 2567718, 2853020, 3423624, 3541680, 4279530, 4564832, 5135436, 5706040, 6419295, 6847248, 7083360, 8559060, 10270872, 11412080, 12838590, 13694496, 17118120, 20541744, 22824160, 25677180, 34236240, 41083488, 51354360, 68472480, 102708720, 205417440]

約数ペア:

[(1, 205417440), (2, 102708720), (3, 68472480), (4, 51354360), (5, 41083488), (6, 34236240), (8, 25677180), (9, 22824160), (10, 20541744), (12, 17118120), (15, 13694496), (16, 12838590), (18, 11412080), (20, 10270872), (24, 8559060), (29, 7083360), (30, 6847248), (32, 6419295), (36, 5706040), (40, 5135436), (45, 4564832), (48, 4279530), (58, 3541680), (60, 3423624), (72, 2853020), (80, 2567718), (87, 2361120), (90, 2282416), (96, 2139765), (116, 1770840), (120, 1711812), (144, 1426510), (145, 1416672), (160, 1283859), (174, 1180560), (180, 1141208), (232, 885420), (240, 855906), (261, 787040), (288, 713255), (290, 708336), (348, 590280), (360, 570604), (435, 472224), (464, 442710), (480, 427953), (522, 393520), (580, 354168), (696, 295140), (720, 285302), (870, 236112), (928, 221355), (1044, 196760), (1160, 177084), (1305, 157408), (1392, 147570), (1440, 142651), (1740, 118056), (2088, 98380), (2320, 88542), (2610, 78704), (2784, 73785), (3480, 59028), (4176, 49190), (4640, 44271), (4919, 41760), (5220, 39352), (6960, 29514), (8352, 24595), (9838, 20880), (10440, 19676), (13920, 14757)]