1262179880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:404

約数の個数: 192

約数和(自身を含む): 3351974400

約数和(自身を除く): 2089794520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 169, 190, 247, 248, 260, 310, 317, 338, 380, 403, 494, 520, 589, 620, 634, 676, 760, 806, 845, 988, 1178, 1235, 1240, 1268, 1352, 1585, 1612, 1690, 1976, 2015, 2356, 2470, 2536, 2945, 3170, 3211, 3224, 3380, 4030, 4121, 4712, 4940, 5239, 5890, 6023, 6340, 6422, 6760, 7657, 8060, 8242, 9827, 9880, 10478, 11780, 12046, 12680, 12844, 15314, 16055, 16120, 16484, 19654, 20605, 20956, 23560, 24092, 25688, 26195, 30115, 30628, 32110, 32968, 38285, 39308, 41210, 41912, 48184, 49135, 52390, 53573, 60230, 61256, 64220, 76570, 78299, 78616, 82420, 98270, 99541, 104780, 107146, 120460, 127751, 128440, 153140, 156598, 164840, 186713, 196540, 199082, 209560, 214292, 240920, 255502, 267865, 306280, 313196, 373426, 391495, 393080, 398164, 428584, 497705, 511004, 535730, 626392, 638755, 746852, 782990, 796328, 933565, 995410, 1017887, 1022008, 1071460, 1277510, 1493704, 1565980, 1660763, 1867130, 1990820, 2035774, 2142920, 2427269, 2555020, 3131960, 3321526, 3734260, 3981640, 4071548, 4854538, 5089435, 5110040, 6643052, 7468520, 8143096, 8303815, 9709076, 10178870, 12136345, 13286104, 16607630, 19418152, 20357740, 24272690, 31554497, 33215260, 40715480, 48545380, 63108994, 66430520, 97090760, 126217988, 157772485, 252435976, 315544970, 631089940, 1262179880]

約数ペア:

[(1, 1262179880), (2, 631089940), (4, 315544970), (5, 252435976), (8, 157772485), (10, 126217988), (13, 97090760), (19, 66430520), (20, 63108994), (26, 48545380), (31, 40715480), (38, 33215260), (40, 31554497), (52, 24272690), (62, 20357740), (65, 19418152), (76, 16607630), (95, 13286104), (104, 12136345), (124, 10178870), (130, 9709076), (152, 8303815), (155, 8143096), (169, 7468520), (190, 6643052), (247, 5110040), (248, 5089435), (260, 4854538), (310, 4071548), (317, 3981640), (338, 3734260), (380, 3321526), (403, 3131960), (494, 2555020), (520, 2427269), (589, 2142920), (620, 2035774), (634, 1990820), (676, 1867130), (760, 1660763), (806, 1565980), (845, 1493704), (988, 1277510), (1178, 1071460), (1235, 1022008), (1240, 1017887), (1268, 995410), (1352, 933565), (1585, 796328), (1612, 782990), (1690, 746852), (1976, 638755), (2015, 626392), (2356, 535730), (2470, 511004), (2536, 497705), (2945, 428584), (3170, 398164), (3211, 393080), (3224, 391495), (3380, 373426), (4030, 313196), (4121, 306280), (4712, 267865), (4940, 255502), (5239, 240920), (5890, 214292), (6023, 209560), (6340, 199082), (6422, 196540), (6760, 186713), (7657, 164840), (8060, 156598), (8242, 153140), (9827, 128440), (9880, 127751), (10478, 120460), (11780, 107146), (12046, 104780), (12680, 99541), (12844, 98270), (15314, 82420), (16055, 78616), (16120, 78299), (16484, 76570), (19654, 64220), (20605, 61256), (20956, 60230), (23560, 53573), (24092, 52390), (25688, 49135), (26195, 48184), (30115, 41912), (30628, 41210), (32110, 39308), (32968, 38285)]