72719920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1467

約数の個数: 120

約数和(自身を含む): 211955184

約数和(自身を除く): 139235264

約数列:

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

約数ペア:

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