1021230720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:664

約数の個数: 256

約数和(自身を含む): 3655843200

約数和(自身を除く): 2634612480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 113, 120, 128, 135, 144, 160, 180, 192, 216, 226, 240, 270, 288, 320, 339, 360, 384, 432, 452, 480, 523, 540, 565, 576, 640, 678, 720, 864, 904, 960, 1017, 1046, 1080, 1130, 1152, 1356, 1440, 1569, 1695, 1728, 1808, 1920, 2034, 2092, 2160, 2260, 2615, 2712, 2880, 3051, 3138, 3390, 3456, 3616, 4068, 4184, 4320, 4520, 4707, 5085, 5230, 5424, 5760, 6102, 6276, 6780, 7232, 7845, 8136, 8368, 8640, 9040, 9414, 10170, 10460, 10848, 12204, 12552, 13560, 14121, 14464, 15255, 15690, 16272, 16736, 17280, 18080, 18828, 20340, 20920, 21696, 23535, 24408, 25104, 27120, 28242, 30510, 31380, 32544, 33472, 36160, 37656, 40680, 41840, 43392, 47070, 48816, 50208, 54240, 56484, 59099, 61020, 62760, 65088, 66944, 70605, 72320, 75312, 81360, 83680, 94140, 97632, 100416, 108480, 112968, 118198, 122040, 125520, 130176, 141210, 150624, 162720, 167360, 177297, 188280, 195264, 200832, 216960, 225936, 236396, 244080, 251040, 282420, 295495, 301248, 325440, 334720, 354594, 376560, 390528, 451872, 472792, 488160, 502080, 531891, 564840, 590990, 602496, 650880, 709188, 753120, 886485, 903744, 945584, 976320, 1004160, 1063782, 1129680, 1181980, 1418376, 1506240, 1595673, 1772970, 1807488, 1891168, 1952640, 2127564, 2259360, 2363960, 2659455, 2836752, 3012480, 3191346, 3545940, 3782336, 4255128, 4518720, 4727920, 5318910, 5673504, 6382692, 7091880, 7564672, 7978365, 8510256, 9037440, 9455840, 10637820, 11347008, 12765384, 14183760, 15956730, 17020512, 18911680, 21275640, 22694016, 25530768, 28367520, 31913460, 34041024, 37823360, 42551280, 51061536, 56735040, 63826920, 68082048, 85102560, 102123072, 113470080, 127653840, 170205120, 204246144, 255307680, 340410240, 510615360, 1021230720]

約数ペア:

[(1, 1021230720), (2, 510615360), (3, 340410240), (4, 255307680), (5, 204246144), (6, 170205120), (8, 127653840), (9, 113470080), (10, 102123072), (12, 85102560), (15, 68082048), (16, 63826920), (18, 56735040), (20, 51061536), (24, 42551280), (27, 37823360), (30, 34041024), (32, 31913460), (36, 28367520), (40, 25530768), (45, 22694016), (48, 21275640), (54, 18911680), (60, 17020512), (64, 15956730), (72, 14183760), (80, 12765384), (90, 11347008), (96, 10637820), (108, 9455840), (113, 9037440), (120, 8510256), (128, 7978365), (135, 7564672), (144, 7091880), (160, 6382692), (180, 5673504), (192, 5318910), (216, 4727920), (226, 4518720), (240, 4255128), (270, 3782336), (288, 3545940), (320, 3191346), (339, 3012480), (360, 2836752), (384, 2659455), (432, 2363960), (452, 2259360), (480, 2127564), (523, 1952640), (540, 1891168), (565, 1807488), (576, 1772970), (640, 1595673), (678, 1506240), (720, 1418376), (864, 1181980), (904, 1129680), (960, 1063782), (1017, 1004160), (1046, 976320), (1080, 945584), (1130, 903744), (1152, 886485), (1356, 753120), (1440, 709188), (1569, 650880), (1695, 602496), (1728, 590990), (1808, 564840), (1920, 531891), (2034, 502080), (2092, 488160), (2160, 472792), (2260, 451872), (2615, 390528), (2712, 376560), (2880, 354594), (3051, 334720), (3138, 325440), (3390, 301248), (3456, 295495), (3616, 282420), (4068, 251040), (4184, 244080), (4320, 236396), (4520, 225936), (4707, 216960), (5085, 200832), (5230, 195264), (5424, 188280), (5760, 177297), (6102, 167360), (6276, 162720), (6780, 150624), (7232, 141210), (7845, 130176), (8136, 125520), (8368, 122040), (8640, 118198), (9040, 112968), (9414, 108480), (10170, 100416), (10460, 97632), (10848, 94140), (12204, 83680), (12552, 81360), (13560, 75312), (14121, 72320), (14464, 70605), (15255, 66944), (15690, 65088), (16272, 62760), (16736, 61020), (17280, 59099), (18080, 56484), (18828, 54240), (20340, 50208), (20920, 48816), (21696, 47070), (23535, 43392), (24408, 41840), (25104, 40680), (27120, 37656), (28242, 36160), (30510, 33472), (31380, 32544)]