252451290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 256

約数和(自身を含む): 815431680

約数和(自身を除く): 562980390

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 31, 35, 38, 39, 42, 57, 62, 65, 70, 78, 91, 93, 95, 105, 114, 130, 133, 155, 157, 182, 186, 190, 195, 210, 217, 247, 266, 273, 285, 310, 314, 390, 399, 403, 434, 455, 465, 471, 494, 546, 570, 589, 651, 665, 741, 785, 798, 806, 910, 930, 942, 1085, 1099, 1178, 1209, 1235, 1302, 1330, 1365, 1482, 1570, 1729, 1767, 1995, 2015, 2041, 2170, 2198, 2355, 2418, 2470, 2730, 2821, 2945, 2983, 3255, 3297, 3458, 3534, 3705, 3990, 4030, 4082, 4123, 4710, 4867, 5187, 5495, 5642, 5890, 5966, 6045, 6123, 6510, 6594, 7410, 7657, 8246, 8463, 8645, 8835, 8949, 9734, 10205, 10374, 10990, 12090, 12246, 12369, 14105, 14287, 14601, 14915, 15314, 16485, 16926, 17290, 17670, 17898, 20410, 20615, 20881, 22971, 24335, 24738, 25935, 28210, 28574, 29202, 29830, 30615, 32970, 34069, 38285, 38779, 41230, 41762, 42315, 42861, 44745, 45942, 48670, 51870, 53599, 61230, 61845, 62643, 63271, 68138, 71435, 73005, 76570, 77558, 84630, 85722, 89490, 92473, 102207, 104405, 107198, 114855, 116337, 123690, 125286, 126542, 142870, 146010, 160797, 170345, 184946, 189813, 193895, 204414, 208810, 214305, 229710, 232674, 267995, 271453, 277419, 313215, 316355, 321594, 340690, 379626, 387790, 428610, 442897, 462365, 511035, 535990, 542906, 554838, 581685, 626430, 632710, 647311, 803985, 814359, 885794, 924730, 949065, 1022070, 1163370, 1202149, 1294622, 1328691, 1357265, 1387095, 1607970, 1628718, 1898130, 1941933, 2214485, 2404298, 2657382, 2714530, 2774190, 3236555, 3606447, 3883866, 4071795, 4428970, 6010745, 6473110, 6643455, 7212894, 8143590, 8415043, 9709665, 12021490, 13286910, 16830086, 18032235, 19419330, 25245129, 36064470, 42075215, 50490258, 84150430, 126225645, 252451290]

約数ペア:

[(1, 252451290), (2, 126225645), (3, 84150430), (5, 50490258), (6, 42075215), (7, 36064470), (10, 25245129), (13, 19419330), (14, 18032235), (15, 16830086), (19, 13286910), (21, 12021490), (26, 9709665), (30, 8415043), (31, 8143590), (35, 7212894), (38, 6643455), (39, 6473110), (42, 6010745), (57, 4428970), (62, 4071795), (65, 3883866), (70, 3606447), (78, 3236555), (91, 2774190), (93, 2714530), (95, 2657382), (105, 2404298), (114, 2214485), (130, 1941933), (133, 1898130), (155, 1628718), (157, 1607970), (182, 1387095), (186, 1357265), (190, 1328691), (195, 1294622), (210, 1202149), (217, 1163370), (247, 1022070), (266, 949065), (273, 924730), (285, 885794), (310, 814359), (314, 803985), (390, 647311), (399, 632710), (403, 626430), (434, 581685), (455, 554838), (465, 542906), (471, 535990), (494, 511035), (546, 462365), (570, 442897), (589, 428610), (651, 387790), (665, 379626), (741, 340690), (785, 321594), (798, 316355), (806, 313215), (910, 277419), (930, 271453), (942, 267995), (1085, 232674), (1099, 229710), (1178, 214305), (1209, 208810), (1235, 204414), (1302, 193895), (1330, 189813), (1365, 184946), (1482, 170345), (1570, 160797), (1729, 146010), (1767, 142870), (1995, 126542), (2015, 125286), (2041, 123690), (2170, 116337), (2198, 114855), (2355, 107198), (2418, 104405), (2470, 102207), (2730, 92473), (2821, 89490), (2945, 85722), (2983, 84630), (3255, 77558), (3297, 76570), (3458, 73005), (3534, 71435), (3705, 68138), (3990, 63271), (4030, 62643), (4082, 61845), (4123, 61230), (4710, 53599), (4867, 51870), (5187, 48670), (5495, 45942), (5642, 44745), (5890, 42861), (5966, 42315), (6045, 41762), (6123, 41230), (6510, 38779), (6594, 38285), (7410, 34069), (7657, 32970), (8246, 30615), (8463, 29830), (8645, 29202), (8835, 28574), (8949, 28210), (9734, 25935), (10205, 24738), (10374, 24335), (10990, 22971), (12090, 20881), (12246, 20615), (12369, 20410), (14105, 17898), (14287, 17670), (14601, 17290), (14915, 16926), (15314, 16485)]