123785480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1159

約数の個数: 128

約数和(自身を含む): 354170880

約数和(自身を除く): 230385400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1097, 1240, 1612, 1736, 1820, 2015, 2170, 2194, 2821, 3224, 3640, 4030, 4340, 4388, 5485, 5642, 7679, 8060, 8680, 8776, 10970, 11284, 14105, 14261, 15358, 16120, 21940, 22568, 28210, 28522, 30716, 34007, 38395, 43880, 56420, 57044, 61432, 68014, 71305, 76790, 99827, 112840, 114088, 136028, 142610, 153580, 170035, 199654, 238049, 272056, 285220, 307160, 340070, 399308, 442091, 476098, 499135, 570440, 680140, 798616, 884182, 952196, 998270, 1190245, 1360280, 1768364, 1904392, 1996540, 2210455, 2380490, 3094637, 3536728, 3993080, 4420910, 4760980, 6189274, 8841820, 9521960, 12378548, 15473185, 17683640, 24757096, 30946370, 61892740, 123785480]

約数ペア:

[(1, 123785480), (2, 61892740), (4, 30946370), (5, 24757096), (7, 17683640), (8, 15473185), (10, 12378548), (13, 9521960), (14, 8841820), (20, 6189274), (26, 4760980), (28, 4420910), (31, 3993080), (35, 3536728), (40, 3094637), (52, 2380490), (56, 2210455), (62, 1996540), (65, 1904392), (70, 1768364), (91, 1360280), (104, 1190245), (124, 998270), (130, 952196), (140, 884182), (155, 798616), (182, 680140), (217, 570440), (248, 499135), (260, 476098), (280, 442091), (310, 399308), (364, 340070), (403, 307160), (434, 285220), (455, 272056), (520, 238049), (620, 199654), (728, 170035), (806, 153580), (868, 142610), (910, 136028), (1085, 114088), (1097, 112840), (1240, 99827), (1612, 76790), (1736, 71305), (1820, 68014), (2015, 61432), (2170, 57044), (2194, 56420), (2821, 43880), (3224, 38395), (3640, 34007), (4030, 30716), (4340, 28522), (4388, 28210), (5485, 22568), (5642, 21940), (7679, 16120), (8060, 15358), (8680, 14261), (8776, 14105), (10970, 11284)]