128091810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^2$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 391696704

約数和(自身を除く): 263604894

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 71, 77, 105, 110, 121, 142, 154, 165, 210, 213, 231, 242, 330, 355, 363, 385, 426, 462, 497, 605, 710, 726, 770, 781, 847, 994, 1065, 1155, 1210, 1491, 1562, 1694, 1815, 2130, 2310, 2343, 2485, 2541, 2982, 3630, 3905, 4235, 4686, 4970, 5041, 5082, 5467, 7455, 7810, 8470, 8591, 10082, 10934, 11715, 12705, 14910, 15123, 16401, 17182, 23430, 25205, 25410, 25773, 27335, 30246, 32802, 35287, 42955, 50410, 51546, 54670, 55451, 60137, 70574, 75615, 82005, 85910, 105861, 110902, 120274, 128865, 151230, 164010, 166353, 176435, 180411, 211722, 257730, 277255, 300685, 332706, 352870, 360822, 388157, 529305, 554510, 601370, 609961, 776314, 831765, 902055, 1058610, 1164471, 1219922, 1663530, 1804110, 1829883, 1940785, 2328942, 3049805, 3659766, 3881570, 4269727, 5822355, 6099610, 8539454, 9149415, 11644710, 12809181, 18298830, 21348635, 25618362, 42697270, 64045905, 128091810]

約数ペア:

[(1, 128091810), (2, 64045905), (3, 42697270), (5, 25618362), (6, 21348635), (7, 18298830), (10, 12809181), (11, 11644710), (14, 9149415), (15, 8539454), (21, 6099610), (22, 5822355), (30, 4269727), (33, 3881570), (35, 3659766), (42, 3049805), (55, 2328942), (66, 1940785), (70, 1829883), (71, 1804110), (77, 1663530), (105, 1219922), (110, 1164471), (121, 1058610), (142, 902055), (154, 831765), (165, 776314), (210, 609961), (213, 601370), (231, 554510), (242, 529305), (330, 388157), (355, 360822), (363, 352870), (385, 332706), (426, 300685), (462, 277255), (497, 257730), (605, 211722), (710, 180411), (726, 176435), (770, 166353), (781, 164010), (847, 151230), (994, 128865), (1065, 120274), (1155, 110902), (1210, 105861), (1491, 85910), (1562, 82005), (1694, 75615), (1815, 70574), (2130, 60137), (2310, 55451), (2343, 54670), (2485, 51546), (2541, 50410), (2982, 42955), (3630, 35287), (3905, 32802), (4235, 30246), (4686, 27335), (4970, 25773), (5041, 25410), (5082, 25205), (5467, 23430), (7455, 17182), (7810, 16401), (8470, 15123), (8591, 14910), (10082, 12705), (10934, 11715)]