72675760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 179676000

約数和(自身を除く): 107000240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 137, 152, 190, 274, 304, 349, 380, 548, 685, 698, 760, 1096, 1370, 1396, 1520, 1745, 2192, 2603, 2740, 2792, 3490, 5206, 5480, 5584, 6631, 6980, 10412, 10960, 13015, 13262, 13960, 20824, 26030, 26524, 27920, 33155, 41648, 47813, 52060, 53048, 66310, 95626, 104120, 106096, 132620, 191252, 208240, 239065, 265240, 382504, 478130, 530480, 765008, 908447, 956260, 1816894, 1912520, 3633788, 3825040, 4542235, 7267576, 9084470, 14535152, 18168940, 36337880, 72675760]

約数ペア:

[(1, 72675760), (2, 36337880), (4, 18168940), (5, 14535152), (8, 9084470), (10, 7267576), (16, 4542235), (19, 3825040), (20, 3633788), (38, 1912520), (40, 1816894), (76, 956260), (80, 908447), (95, 765008), (137, 530480), (152, 478130), (190, 382504), (274, 265240), (304, 239065), (349, 208240), (380, 191252), (548, 132620), (685, 106096), (698, 104120), (760, 95626), (1096, 66310), (1370, 53048), (1396, 52060), (1520, 47813), (1745, 41648), (2192, 33155), (2603, 27920), (2740, 26524), (2792, 26030), (3490, 20824), (5206, 13960), (5480, 13262), (5584, 13015), (6631, 10960), (6980, 10412)]