19797536720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:362

約数の個数: 320

約数和(自身を含む): 53469702720

約数和(自身を除く): 33672166000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 37, 40, 52, 58, 65, 74, 80, 104, 113, 116, 130, 145, 148, 157, 185, 208, 226, 232, 260, 290, 296, 314, 370, 377, 452, 464, 481, 520, 565, 580, 592, 628, 740, 754, 785, 904, 962, 1040, 1073, 1130, 1160, 1256, 1469, 1480, 1508, 1570, 1808, 1885, 1924, 2041, 2146, 2260, 2320, 2405, 2512, 2938, 2960, 3016, 3140, 3277, 3770, 3848, 4082, 4181, 4292, 4520, 4553, 4810, 5365, 5809, 5876, 6032, 6280, 6554, 7345, 7540, 7696, 8164, 8362, 8584, 9040, 9106, 9620, 10205, 10730, 11618, 11752, 12560, 13108, 13949, 14690, 15080, 16328, 16385, 16724, 17168, 17741, 18212, 19240, 20410, 20905, 21460, 22765, 23236, 23504, 26216, 27898, 29045, 29380, 30160, 32656, 32770, 33448, 35482, 36424, 38480, 40820, 41810, 42601, 42920, 45530, 46472, 52432, 54353, 55796, 58090, 58760, 59189, 65540, 66896, 69745, 70964, 72848, 75517, 81640, 83620, 85202, 85840, 88705, 91060, 92944, 108706, 111592, 116180, 117520, 118378, 121249, 131080, 139490, 141928, 151034, 163280, 167240, 168461, 170404, 177410, 182120, 213005, 217412, 223184, 230633, 232360, 236756, 242498, 262160, 271765, 278980, 283856, 295945, 302068, 334480, 336922, 340808, 354820, 364240, 377585, 426010, 434824, 461266, 464720, 473512, 484996, 514489, 543530, 557960, 591890, 604136, 606245, 656417, 673844, 681616, 709640, 755170, 842305, 852020, 869648, 922532, 947024, 969992, 1028978, 1087060, 1115920, 1153165, 1183780, 1208272, 1212490, 1312834, 1347688, 1419280, 1510340, 1576237, 1684610, 1704040, 1845064, 1939984, 2057956, 2174120, 2189993, 2306330, 2367560, 2424980, 2572445, 2625668, 2695376, 3020680, 3152474, 3282085, 3369220, 3408080, 3690128, 4115912, 4348240, 4379986, 4612660, 4735120, 4849960, 5144890, 5251336, 6041360, 6304948, 6564170, 6688357, 6738440, 7881185, 8231824, 8533421, 8759972, 9225320, 9699920, 10289780, 10502672, 10949965, 12609896, 13128340, 13376714, 13476880, 15762370, 17066842, 17519944, 18450640, 19036093, 20579560, 21899930, 25219792, 26256680, 26753428, 31524740, 33441785, 34133684, 35039888, 38072186, 41159120, 42667105, 43799860, 52513360, 53506856, 63049480, 66883570, 68267368, 76144372, 85334210, 87599720, 95180465, 107013712, 126098960, 133767140, 136534736, 152288744, 170668420, 175199440, 190360930, 247469209, 267534280, 304577488, 341336840, 380721860, 494938418, 535068560, 682673680, 761443720, 989876836, 1237346045, 1522887440, 1979753672, 2474692090, 3959507344, 4949384180, 9898768360, 19797536720]

約数ペア:

[(1, 19797536720), (2, 9898768360), (4, 4949384180), (5, 3959507344), (8, 2474692090), (10, 1979753672), (13, 1522887440), (16, 1237346045), (20, 989876836), (26, 761443720), (29, 682673680), (37, 535068560), (40, 494938418), (52, 380721860), (58, 341336840), (65, 304577488), (74, 267534280), (80, 247469209), (104, 190360930), (113, 175199440), (116, 170668420), (130, 152288744), (145, 136534736), (148, 133767140), (157, 126098960), (185, 107013712), (208, 95180465), (226, 87599720), (232, 85334210), (260, 76144372), (290, 68267368), (296, 66883570), (314, 63049480), (370, 53506856), (377, 52513360), (452, 43799860), (464, 42667105), (481, 41159120), (520, 38072186), (565, 35039888), (580, 34133684), (592, 33441785), (628, 31524740), (740, 26753428), (754, 26256680), (785, 25219792), (904, 21899930), (962, 20579560), (1040, 19036093), (1073, 18450640), (1130, 17519944), (1160, 17066842), (1256, 15762370), (1469, 13476880), (1480, 13376714), (1508, 13128340), (1570, 12609896), (1808, 10949965), (1885, 10502672), (1924, 10289780), (2041, 9699920), (2146, 9225320), (2260, 8759972), (2320, 8533421), (2405, 8231824), (2512, 7881185), (2938, 6738440), (2960, 6688357), (3016, 6564170), (3140, 6304948), (3277, 6041360), (3770, 5251336), (3848, 5144890), (4082, 4849960), (4181, 4735120), (4292, 4612660), (4520, 4379986), (4553, 4348240), (4810, 4115912), (5365, 3690128), (5809, 3408080), (5876, 3369220), (6032, 3282085), (6280, 3152474), (6554, 3020680), (7345, 2695376), (7540, 2625668), (7696, 2572445), (8164, 2424980), (8362, 2367560), (8584, 2306330), (9040, 2189993), (9106, 2174120), (9620, 2057956), (10205, 1939984), (10730, 1845064), (11618, 1704040), (11752, 1684610), (12560, 1576237), (13108, 1510340), (13949, 1419280), (14690, 1347688), (15080, 1312834), (16328, 1212490), (16385, 1208272), (16724, 1183780), (17168, 1153165), (17741, 1115920), (18212, 1087060), (19240, 1028978), (20410, 969992), (20905, 947024), (21460, 922532), (22765, 869648), (23236, 852020), (23504, 842305), (26216, 755170), (27898, 709640), (29045, 681616), (29380, 673844), (30160, 656417), (32656, 606245), (32770, 604136), (33448, 591890), (35482, 557960), (36424, 543530), (38480, 514489), (40820, 484996), (41810, 473512), (42601, 464720), (42920, 461266), (45530, 434824), (46472, 426010), (52432, 377585), (54353, 364240), (55796, 354820), (58090, 340808), (58760, 336922), (59189, 334480), (65540, 302068), (66896, 295945), (69745, 283856), (70964, 278980), (72848, 271765), (75517, 262160), (81640, 242498), (83620, 236756), (85202, 232360), (85840, 230633), (88705, 223184), (91060, 217412), (92944, 213005), (108706, 182120), (111592, 177410), (116180, 170404), (117520, 168461), (118378, 167240), (121249, 163280), (131080, 151034), (139490, 141928)]