72301460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 203394240

約数和(自身を除く): 131092780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 140, 154, 190, 196, 209, 220, 245, 266, 308, 353, 380, 385, 418, 490, 532, 539, 665, 706, 770, 836, 931, 980, 1045, 1078, 1330, 1412, 1463, 1540, 1765, 1862, 2090, 2156, 2471, 2660, 2695, 2926, 3530, 3724, 3883, 4180, 4655, 4942, 5390, 5852, 6707, 7060, 7315, 7766, 9310, 9884, 10241, 10780, 12355, 13414, 14630, 15532, 17297, 18620, 19415, 20482, 24710, 26828, 27181, 29260, 33535, 34594, 38830, 40964, 46949, 49420, 51205, 54362, 67070, 69188, 73777, 77660, 86485, 93898, 102410, 108724, 134140, 135905, 147554, 172970, 187796, 190267, 204820, 234745, 271810, 295108, 328643, 345940, 368885, 380534, 469490, 516439, 543620, 657286, 737770, 761068, 938980, 951335, 1032878, 1314572, 1475540, 1643215, 1902670, 2065756, 2582195, 3286430, 3615073, 3805340, 5164390, 6572860, 7230146, 10328780, 14460292, 18075365, 36150730, 72301460]

約数ペア:

[(1, 72301460), (2, 36150730), (4, 18075365), (5, 14460292), (7, 10328780), (10, 7230146), (11, 6572860), (14, 5164390), (19, 3805340), (20, 3615073), (22, 3286430), (28, 2582195), (35, 2065756), (38, 1902670), (44, 1643215), (49, 1475540), (55, 1314572), (70, 1032878), (76, 951335), (77, 938980), (95, 761068), (98, 737770), (110, 657286), (133, 543620), (140, 516439), (154, 469490), (190, 380534), (196, 368885), (209, 345940), (220, 328643), (245, 295108), (266, 271810), (308, 234745), (353, 204820), (380, 190267), (385, 187796), (418, 172970), (490, 147554), (532, 135905), (539, 134140), (665, 108724), (706, 102410), (770, 93898), (836, 86485), (931, 77660), (980, 73777), (1045, 69188), (1078, 67070), (1330, 54362), (1412, 51205), (1463, 49420), (1540, 46949), (1765, 40964), (1862, 38830), (2090, 34594), (2156, 33535), (2471, 29260), (2660, 27181), (2695, 26828), (2926, 24710), (3530, 20482), (3724, 19415), (3883, 18620), (4180, 17297), (4655, 15532), (4942, 14630), (5390, 13414), (5852, 12355), (6707, 10780), (7060, 10241), (7315, 9884), (7766, 9310)]