257359830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3041}}^1$

素因数の和:3102

約数の個数: 128

約数和(自身を含む): 784982016

約数和(自身を除く): 527622186

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 31, 35, 39, 42, 62, 65, 70, 78, 91, 93, 105, 130, 155, 182, 186, 195, 210, 217, 273, 310, 390, 403, 434, 455, 465, 546, 651, 806, 910, 930, 1085, 1209, 1302, 1365, 2015, 2170, 2418, 2730, 2821, 3041, 3255, 4030, 5642, 6045, 6082, 6510, 8463, 9123, 12090, 14105, 15205, 16926, 18246, 21287, 28210, 30410, 39533, 42315, 42574, 45615, 63861, 79066, 84630, 91230, 94271, 106435, 118599, 127722, 188542, 197665, 212870, 237198, 276731, 282813, 319305, 395330, 471355, 553462, 565626, 592995, 638610, 659897, 830193, 942710, 1185990, 1225523, 1319794, 1383655, 1414065, 1660386, 1979691, 2451046, 2767310, 2828130, 3299485, 3676569, 3959382, 4150965, 6127615, 6598970, 7353138, 8301930, 8578661, 9898455, 12255230, 17157322, 18382845, 19796910, 25735983, 36765690, 42893305, 51471966, 85786610, 128679915, 257359830]

約数ペア:

[(1, 257359830), (2, 128679915), (3, 85786610), (5, 51471966), (6, 42893305), (7, 36765690), (10, 25735983), (13, 19796910), (14, 18382845), (15, 17157322), (21, 12255230), (26, 9898455), (30, 8578661), (31, 8301930), (35, 7353138), (39, 6598970), (42, 6127615), (62, 4150965), (65, 3959382), (70, 3676569), (78, 3299485), (91, 2828130), (93, 2767310), (105, 2451046), (130, 1979691), (155, 1660386), (182, 1414065), (186, 1383655), (195, 1319794), (210, 1225523), (217, 1185990), (273, 942710), (310, 830193), (390, 659897), (403, 638610), (434, 592995), (455, 565626), (465, 553462), (546, 471355), (651, 395330), (806, 319305), (910, 282813), (930, 276731), (1085, 237198), (1209, 212870), (1302, 197665), (1365, 188542), (2015, 127722), (2170, 118599), (2418, 106435), (2730, 94271), (2821, 91230), (3041, 84630), (3255, 79066), (4030, 63861), (5642, 45615), (6045, 42574), (6082, 42315), (6510, 39533), (8463, 30410), (9123, 28210), (12090, 21287), (14105, 18246), (15205, 16926)]