21397413120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{327779}}^1$

素因数の和:327820

約数の個数: 144

約数和(自身を含む): 72358090560

約数和(自身を除く): 50960677440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 768, 816, 960, 1020, 1088, 1280, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 3840, 4080, 4352, 5440, 6528, 8160, 10880, 13056, 16320, 21760, 32640, 65280, 327779, 655558, 983337, 1311116, 1638895, 1966674, 2622232, 3277790, 3933348, 4916685, 5244464, 5572243, 6555580, 7866696, 9833370, 10488928, 11144486, 13111160, 15733392, 16716729, 19666740, 20977856, 22288972, 26222320, 27861215, 31466784, 33433458, 39333480, 41955712, 44577944, 52444640, 55722430, 62933568, 66866916, 78666960, 83583645, 83911424, 89155888, 104889280, 111444860, 125867136, 133733832, 157333920, 167167290, 178311776, 209778560, 222889720, 251734272, 267467664, 314667840, 334334580, 356623552, 419557120, 445779440, 534935328, 629335680, 668669160, 713247104, 891558880, 1069870656, 1258671360, 1337338320, 1426494208, 1783117760, 2139741312, 2674676640, 3566235520, 4279482624, 5349353280, 7132471040, 10698706560, 21397413120]

約数ペア:

[(1, 21397413120), (2, 10698706560), (3, 7132471040), (4, 5349353280), (5, 4279482624), (6, 3566235520), (8, 2674676640), (10, 2139741312), (12, 1783117760), (15, 1426494208), (16, 1337338320), (17, 1258671360), (20, 1069870656), (24, 891558880), (30, 713247104), (32, 668669160), (34, 629335680), (40, 534935328), (48, 445779440), (51, 419557120), (60, 356623552), (64, 334334580), (68, 314667840), (80, 267467664), (85, 251734272), (96, 222889720), (102, 209778560), (120, 178311776), (128, 167167290), (136, 157333920), (160, 133733832), (170, 125867136), (192, 111444860), (204, 104889280), (240, 89155888), (255, 83911424), (256, 83583645), (272, 78666960), (320, 66866916), (340, 62933568), (384, 55722430), (408, 52444640), (480, 44577944), (510, 41955712), (544, 39333480), (640, 33433458), (680, 31466784), (768, 27861215), (816, 26222320), (960, 22288972), (1020, 20977856), (1088, 19666740), (1280, 16716729), (1360, 15733392), (1632, 13111160), (1920, 11144486), (2040, 10488928), (2176, 9833370), (2720, 7866696), (3264, 6555580), (3840, 5572243), (4080, 5244464), (4352, 4916685), (5440, 3933348), (6528, 3277790), (8160, 2622232), (10880, 1966674), (13056, 1638895), (16320, 1311116), (21760, 983337), (32640, 655558), (65280, 327779)]