17920539520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{69481}}^1$

素因数の和:69544

約数の個数: 128

約数和(自身を含む): 47625742080

約数和(自身を除く): 29705202560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1612, 1664, 1984, 2015, 2080, 2480, 3224, 3968, 4030, 4160, 4960, 6448, 8060, 8320, 9920, 12896, 16120, 19840, 25792, 32240, 51584, 64480, 69481, 128960, 138962, 257920, 277924, 347405, 555848, 694810, 903253, 1111696, 1389620, 1806506, 2153911, 2223392, 2779240, 3613012, 4307822, 4446784, 4516265, 5558480, 7226024, 8615644, 8893568, 9032530, 10769555, 11116960, 14452048, 17231288, 18065060, 21539110, 22233920, 28000843, 28904096, 34462576, 36130120, 43078220, 44467840, 56001686, 57808192, 68925152, 72260240, 86156440, 112003372, 115616384, 137850304, 140004215, 144520480, 172312880, 224006744, 275700608, 280008430, 289040960, 344625760, 448013488, 560016860, 578081920, 689251520, 896026976, 1120033720, 1378503040, 1792053952, 2240067440, 3584107904, 4480134880, 8960269760, 17920539520]

約数ペア:

[(1, 17920539520), (2, 8960269760), (4, 4480134880), (5, 3584107904), (8, 2240067440), (10, 1792053952), (13, 1378503040), (16, 1120033720), (20, 896026976), (26, 689251520), (31, 578081920), (32, 560016860), (40, 448013488), (52, 344625760), (62, 289040960), (64, 280008430), (65, 275700608), (80, 224006744), (104, 172312880), (124, 144520480), (128, 140004215), (130, 137850304), (155, 115616384), (160, 112003372), (208, 86156440), (248, 72260240), (260, 68925152), (310, 57808192), (320, 56001686), (403, 44467840), (416, 43078220), (496, 36130120), (520, 34462576), (620, 28904096), (640, 28000843), (806, 22233920), (832, 21539110), (992, 18065060), (1040, 17231288), (1240, 14452048), (1612, 11116960), (1664, 10769555), (1984, 9032530), (2015, 8893568), (2080, 8615644), (2480, 7226024), (3224, 5558480), (3968, 4516265), (4030, 4446784), (4160, 4307822), (4960, 3613012), (6448, 2779240), (8060, 2223392), (8320, 2153911), (9920, 1806506), (12896, 1389620), (16120, 1111696), (19840, 903253), (25792, 694810), (32240, 555848), (51584, 347405), (64480, 277924), (69481, 257920), (128960, 138962)]