72369920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 203974848

約数和(自身を除く): 131604928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 128, 140, 160, 164, 197, 205, 224, 256, 280, 287, 320, 328, 394, 410, 448, 560, 574, 640, 656, 788, 820, 896, 985, 1120, 1148, 1280, 1312, 1379, 1435, 1576, 1640, 1792, 1970, 2240, 2296, 2624, 2758, 2870, 3152, 3280, 3940, 4480, 4592, 5248, 5516, 5740, 6304, 6560, 6895, 7880, 8077, 8960, 9184, 10496, 11032, 11480, 12608, 13120, 13790, 15760, 16154, 18368, 22064, 22960, 25216, 26240, 27580, 31520, 32308, 36736, 40385, 44128, 45920, 50432, 52480, 55160, 56539, 63040, 64616, 73472, 80770, 88256, 91840, 110320, 113078, 126080, 129232, 161540, 176512, 183680, 220640, 226156, 252160, 258464, 282695, 323080, 353024, 367360, 441280, 452312, 516928, 565390, 646160, 882560, 904624, 1033856, 1130780, 1292320, 1765120, 1809248, 2067712, 2261560, 2584640, 3618496, 4523120, 5169280, 7236992, 9046240, 10338560, 14473984, 18092480, 36184960, 72369920]

約数ペア:

[(1, 72369920), (2, 36184960), (4, 18092480), (5, 14473984), (7, 10338560), (8, 9046240), (10, 7236992), (14, 5169280), (16, 4523120), (20, 3618496), (28, 2584640), (32, 2261560), (35, 2067712), (40, 1809248), (41, 1765120), (56, 1292320), (64, 1130780), (70, 1033856), (80, 904624), (82, 882560), (112, 646160), (128, 565390), (140, 516928), (160, 452312), (164, 441280), (197, 367360), (205, 353024), (224, 323080), (256, 282695), (280, 258464), (287, 252160), (320, 226156), (328, 220640), (394, 183680), (410, 176512), (448, 161540), (560, 129232), (574, 126080), (640, 113078), (656, 110320), (788, 91840), (820, 88256), (896, 80770), (985, 73472), (1120, 64616), (1148, 63040), (1280, 56539), (1312, 55160), (1379, 52480), (1435, 50432), (1576, 45920), (1640, 44128), (1792, 40385), (1970, 36736), (2240, 32308), (2296, 31520), (2624, 27580), (2758, 26240), (2870, 25216), (3152, 22960), (3280, 22064), (3940, 18368), (4480, 16154), (4592, 15760), (5248, 13790), (5516, 13120), (5740, 12608), (6304, 11480), (6560, 11032), (6895, 10496), (7880, 9184), (8077, 8960)]