257987730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 256

約数和(自身を含む): 850010112

約数和(自身を除く): 592022382

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 55, 65, 66, 70, 71, 77, 78, 91, 105, 110, 121, 130, 142, 143, 154, 165, 182, 195, 210, 213, 231, 242, 273, 286, 330, 355, 363, 385, 390, 426, 429, 455, 462, 497, 546, 605, 710, 715, 726, 770, 781, 847, 858, 910, 923, 994, 1001, 1065, 1155, 1210, 1331, 1365, 1430, 1491, 1562, 1573, 1694, 1815, 1846, 2002, 2130, 2145, 2310, 2343, 2485, 2541, 2662, 2730, 2769, 2982, 3003, 3146, 3630, 3905, 3993, 4235, 4290, 4615, 4686, 4719, 4970, 5005, 5082, 5467, 5538, 6006, 6461, 6655, 7455, 7810, 7865, 7986, 8470, 8591, 9230, 9317, 9438, 10010, 10153, 10934, 11011, 11715, 12705, 12922, 13310, 13845, 14910, 15015, 15730, 16401, 17182, 17303, 18634, 19383, 19965, 20306, 22022, 23430, 23595, 25410, 25773, 27335, 27690, 27951, 30030, 30459, 32305, 32802, 33033, 34606, 38766, 39930, 42955, 46585, 47190, 50765, 51546, 51909, 54670, 55055, 55902, 60137, 60918, 64610, 66066, 71071, 82005, 85910, 86515, 93170, 94501, 96915, 101530, 103818, 110110, 111683, 120274, 121121, 128865, 139755, 142142, 152295, 164010, 165165, 173030, 180411, 189002, 193830, 213213, 223366, 242242, 257730, 259545, 279510, 283503, 300685, 304590, 330330, 335049, 355355, 360822, 363363, 426426, 472505, 519090, 558415, 567006, 601370, 605605, 661507, 670098, 710710, 726726, 781781, 902055, 945010, 1066065, 1116830, 1211210, 1228513, 1323014, 1417515, 1563562, 1675245, 1804110, 1816815, 1984521, 2132130, 2345343, 2457026, 2835030, 3307535, 3350490, 3633630, 3685539, 3908905, 3969042, 4690686, 6142565, 6615070, 7371078, 7817810, 8599591, 9922605, 11726715, 12285130, 17199182, 18427695, 19845210, 23453430, 25798773, 36855390, 42997955, 51597546, 85995910, 128993865, 257987730]

約数ペア:

[(1, 257987730), (2, 128993865), (3, 85995910), (5, 51597546), (6, 42997955), (7, 36855390), (10, 25798773), (11, 23453430), (13, 19845210), (14, 18427695), (15, 17199182), (21, 12285130), (22, 11726715), (26, 9922605), (30, 8599591), (33, 7817810), (35, 7371078), (39, 6615070), (42, 6142565), (55, 4690686), (65, 3969042), (66, 3908905), (70, 3685539), (71, 3633630), (77, 3350490), (78, 3307535), (91, 2835030), (105, 2457026), (110, 2345343), (121, 2132130), (130, 1984521), (142, 1816815), (143, 1804110), (154, 1675245), (165, 1563562), (182, 1417515), (195, 1323014), (210, 1228513), (213, 1211210), (231, 1116830), (242, 1066065), (273, 945010), (286, 902055), (330, 781781), (355, 726726), (363, 710710), (385, 670098), (390, 661507), (426, 605605), (429, 601370), (455, 567006), (462, 558415), (497, 519090), (546, 472505), (605, 426426), (710, 363363), (715, 360822), (726, 355355), (770, 335049), (781, 330330), (847, 304590), (858, 300685), (910, 283503), (923, 279510), (994, 259545), (1001, 257730), (1065, 242242), (1155, 223366), (1210, 213213), (1331, 193830), (1365, 189002), (1430, 180411), (1491, 173030), (1562, 165165), (1573, 164010), (1694, 152295), (1815, 142142), (1846, 139755), (2002, 128865), (2130, 121121), (2145, 120274), (2310, 111683), (2343, 110110), (2485, 103818), (2541, 101530), (2662, 96915), (2730, 94501), (2769, 93170), (2982, 86515), (3003, 85910), (3146, 82005), (3630, 71071), (3905, 66066), (3993, 64610), (4235, 60918), (4290, 60137), (4615, 55902), (4686, 55055), (4719, 54670), (4970, 51909), (5005, 51546), (5082, 50765), (5467, 47190), (5538, 46585), (6006, 42955), (6461, 39930), (6655, 38766), (7455, 34606), (7810, 33033), (7865, 32802), (7986, 32305), (8470, 30459), (8591, 30030), (9230, 27951), (9317, 27690), (9438, 27335), (10010, 25773), (10153, 25410), (10934, 23595), (11011, 23430), (11715, 22022), (12705, 20306), (12922, 19965), (13310, 19383), (13845, 18634), (14910, 17303), (15015, 17182), (15730, 16401)]