28490433280

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{2293}}^1$

素因数の和:2902

約数の個数: 144

約数和(自身を含む): 72415927584

約数和(自身を除く): 43925494304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 571, 640, 680, 1088, 1142, 1280, 1360, 2176, 2284, 2293, 2720, 2855, 4352, 4568, 4586, 5440, 5710, 9136, 9172, 9707, 10880, 11420, 11465, 18272, 18344, 19414, 21760, 22840, 22930, 36544, 36688, 38828, 38981, 45680, 45860, 48535, 73088, 73376, 77656, 77962, 91360, 91720, 97070, 146176, 146752, 155312, 155924, 182720, 183440, 194140, 194905, 293504, 310624, 311848, 365440, 366880, 388280, 389810, 587008, 621248, 623696, 730880, 733760, 776560, 779620, 1242496, 1247392, 1309303, 1467520, 1553120, 1559240, 2484992, 2494784, 2618606, 2935040, 3106240, 3118480, 4989568, 5237212, 6212480, 6236960, 6546515, 9979136, 10474424, 12424960, 12473920, 13093030, 20948848, 22258151, 24947840, 26186060, 41897696, 44516302, 49895680, 52372120, 83795392, 89032604, 104744240, 111290755, 167590784, 178065208, 209488480, 222581510, 335181568, 356130416, 418976960, 445163020, 712260832, 837953920, 890326040, 1424521664, 1675907840, 1780652080, 2849043328, 3561304160, 5698086656, 7122608320, 14245216640, 28490433280]

約数ペア:

[(1, 28490433280), (2, 14245216640), (4, 7122608320), (5, 5698086656), (8, 3561304160), (10, 2849043328), (16, 1780652080), (17, 1675907840), (20, 1424521664), (32, 890326040), (34, 837953920), (40, 712260832), (64, 445163020), (68, 418976960), (80, 356130416), (85, 335181568), (128, 222581510), (136, 209488480), (160, 178065208), (170, 167590784), (256, 111290755), (272, 104744240), (320, 89032604), (340, 83795392), (544, 52372120), (571, 49895680), (640, 44516302), (680, 41897696), (1088, 26186060), (1142, 24947840), (1280, 22258151), (1360, 20948848), (2176, 13093030), (2284, 12473920), (2293, 12424960), (2720, 10474424), (2855, 9979136), (4352, 6546515), (4568, 6236960), (4586, 6212480), (5440, 5237212), (5710, 4989568), (9136, 3118480), (9172, 3106240), (9707, 2935040), (10880, 2618606), (11420, 2494784), (11465, 2484992), (18272, 1559240), (18344, 1553120), (19414, 1467520), (21760, 1309303), (22840, 1247392), (22930, 1242496), (36544, 779620), (36688, 776560), (38828, 733760), (38981, 730880), (45680, 623696), (45860, 621248), (48535, 587008), (73088, 389810), (73376, 388280), (77656, 366880), (77962, 365440), (91360, 311848), (91720, 310624), (97070, 293504), (146176, 194905), (146752, 194140), (155312, 183440), (155924, 182720)]