987101440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:604

約数の個数: 144

約数和(自身を含む): 2570804208

約数和(自身を除く): 1583702768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 137, 160, 208, 256, 260, 274, 320, 416, 433, 520, 548, 640, 685, 832, 866, 1040, 1096, 1280, 1370, 1664, 1732, 1781, 2080, 2165, 2192, 2740, 3328, 3464, 3562, 4160, 4330, 4384, 5480, 5629, 6928, 7124, 8320, 8660, 8768, 8905, 10960, 11258, 13856, 14248, 16640, 17320, 17536, 17810, 21920, 22516, 27712, 28145, 28496, 34640, 35072, 35620, 43840, 45032, 55424, 56290, 56992, 59321, 69280, 71240, 87680, 90064, 110848, 112580, 113984, 118642, 138560, 142480, 175360, 180128, 225160, 227968, 237284, 277120, 284960, 296605, 360256, 450320, 455936, 474568, 554240, 569920, 593210, 720512, 771173, 900640, 949136, 1139840, 1186420, 1441024, 1542346, 1801280, 1898272, 2279680, 2372840, 3084692, 3602560, 3796544, 3855865, 4745680, 6169384, 7205120, 7593088, 7711730, 9491360, 12338768, 15186176, 15423460, 18982720, 24677536, 30846920, 37965440, 49355072, 61693840, 75930880, 98710144, 123387680, 197420288, 246775360, 493550720, 987101440]

約数ペア:

[(1, 987101440), (2, 493550720), (4, 246775360), (5, 197420288), (8, 123387680), (10, 98710144), (13, 75930880), (16, 61693840), (20, 49355072), (26, 37965440), (32, 30846920), (40, 24677536), (52, 18982720), (64, 15423460), (65, 15186176), (80, 12338768), (104, 9491360), (128, 7711730), (130, 7593088), (137, 7205120), (160, 6169384), (208, 4745680), (256, 3855865), (260, 3796544), (274, 3602560), (320, 3084692), (416, 2372840), (433, 2279680), (520, 1898272), (548, 1801280), (640, 1542346), (685, 1441024), (832, 1186420), (866, 1139840), (1040, 949136), (1096, 900640), (1280, 771173), (1370, 720512), (1664, 593210), (1732, 569920), (1781, 554240), (2080, 474568), (2165, 455936), (2192, 450320), (2740, 360256), (3328, 296605), (3464, 284960), (3562, 277120), (4160, 237284), (4330, 227968), (4384, 225160), (5480, 180128), (5629, 175360), (6928, 142480), (7124, 138560), (8320, 118642), (8660, 113984), (8768, 112580), (8905, 110848), (10960, 90064), (11258, 87680), (13856, 71240), (14248, 69280), (16640, 59321), (17320, 56992), (17536, 56290), (17810, 55424), (21920, 45032), (22516, 43840), (27712, 35620), (28145, 35072), (28496, 34640)]