145439840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1469

約数の個数: 144

約数和(自身を含む): 430747632

約数和(自身を除く): 285307792

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1427, 1456, 1568, 1820, 1960, 2080, 2548, 2854, 2912, 3185, 3640, 3920, 5096, 5708, 6370, 7135, 7280, 7840, 9989, 10192, 11416, 12740, 14270, 14560, 18551, 19978, 20384, 22832, 25480, 28540, 37102, 39956, 45664, 49945, 50960, 57080, 69923, 74204, 79912, 92755, 99890, 101920, 114160, 129857, 139846, 148408, 159824, 185510, 199780, 228320, 259714, 279692, 296816, 319648, 349615, 371020, 399560, 519428, 559384, 593632, 649285, 699230, 742040, 799120, 908999, 1038856, 1118768, 1298570, 1398460, 1484080, 1598240, 1817998, 2077712, 2237536, 2597140, 2796920, 2968160, 3635996, 4155424, 4544995, 5194280, 5593840, 7271992, 9089990, 10388560, 11187680, 14543984, 18179980, 20777120, 29087968, 36359960, 72719920, 145439840]

約数ペア:

[(1, 145439840), (2, 72719920), (4, 36359960), (5, 29087968), (7, 20777120), (8, 18179980), (10, 14543984), (13, 11187680), (14, 10388560), (16, 9089990), (20, 7271992), (26, 5593840), (28, 5194280), (32, 4544995), (35, 4155424), (40, 3635996), (49, 2968160), (52, 2796920), (56, 2597140), (65, 2237536), (70, 2077712), (80, 1817998), (91, 1598240), (98, 1484080), (104, 1398460), (112, 1298570), (130, 1118768), (140, 1038856), (160, 908999), (182, 799120), (196, 742040), (208, 699230), (224, 649285), (245, 593632), (260, 559384), (280, 519428), (364, 399560), (392, 371020), (416, 349615), (455, 319648), (490, 296816), (520, 279692), (560, 259714), (637, 228320), (728, 199780), (784, 185510), (910, 159824), (980, 148408), (1040, 139846), (1120, 129857), (1274, 114160), (1427, 101920), (1456, 99890), (1568, 92755), (1820, 79912), (1960, 74204), (2080, 69923), (2548, 57080), (2854, 50960), (2912, 49945), (3185, 45664), (3640, 39956), (3920, 37102), (5096, 28540), (5708, 25480), (6370, 22832), (7135, 20384), (7280, 19978), (7840, 18551), (9989, 14560), (10192, 14270), (11416, 12740)]