2642251520

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3986

約数の個数: 144

約数和(自身を含む): 6919250688

約数和(自身を除く): 4276999168

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 496, 527, 544, 620, 640, 680, 992, 1054, 1088, 1240, 1280, 1360, 1984, 2108, 2176, 2480, 2635, 2720, 3917, 3968, 4216, 4352, 4960, 5270, 5440, 7834, 7936, 8432, 9920, 10540, 10880, 15668, 16864, 19585, 19840, 21080, 21760, 31336, 33728, 39170, 39680, 42160, 62672, 66589, 67456, 78340, 84320, 121427, 125344, 133178, 134912, 156680, 168640, 242854, 250688, 266356, 313360, 332945, 337280, 485708, 501376, 532712, 607135, 626720, 665890, 674560, 971416, 1002752, 1065424, 1214270, 1253440, 1331780, 1942832, 2064259, 2130848, 2428540, 2506880, 2663560, 3885664, 4128518, 4261696, 4857080, 5013760, 5327120, 7771328, 8257036, 8523392, 9714160, 10321295, 10654240, 15542656, 16514072, 17046784, 19428320, 20642590, 21308480, 31085312, 33028144, 38856640, 41285180, 42616960, 66056288, 77713280, 82570360, 85233920, 132112576, 155426560, 165140720, 264225152, 330281440, 528450304, 660562880, 1321125760, 2642251520]

約数ペア:

[(1, 2642251520), (2, 1321125760), (4, 660562880), (5, 528450304), (8, 330281440), (10, 264225152), (16, 165140720), (17, 155426560), (20, 132112576), (31, 85233920), (32, 82570360), (34, 77713280), (40, 66056288), (62, 42616960), (64, 41285180), (68, 38856640), (80, 33028144), (85, 31085312), (124, 21308480), (128, 20642590), (136, 19428320), (155, 17046784), (160, 16514072), (170, 15542656), (248, 10654240), (256, 10321295), (272, 9714160), (310, 8523392), (320, 8257036), (340, 7771328), (496, 5327120), (527, 5013760), (544, 4857080), (620, 4261696), (640, 4128518), (680, 3885664), (992, 2663560), (1054, 2506880), (1088, 2428540), (1240, 2130848), (1280, 2064259), (1360, 1942832), (1984, 1331780), (2108, 1253440), (2176, 1214270), (2480, 1065424), (2635, 1002752), (2720, 971416), (3917, 674560), (3968, 665890), (4216, 626720), (4352, 607135), (4960, 532712), (5270, 501376), (5440, 485708), (7834, 337280), (7936, 332945), (8432, 313360), (9920, 266356), (10540, 250688), (10880, 242854), (15668, 168640), (16864, 156680), (19585, 134912), (19840, 133178), (21080, 125344), (21760, 121427), (31336, 84320), (33728, 78340), (39170, 67456), (39680, 66589), (42160, 62672)]