20081986560

素因数分解:

$2^{10}\times 3^5\times 5^1\times {\mathrm{16141}}^1$

素因数の和:16181

約数の個数: 264

約数和(自身を含む): 72165200016

約数和(自身を除く): 52083213456

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1024, 1080, 1152, 1215, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2560, 2592, 2880, 3072, 3240, 3456, 3840, 3888, 4320, 4608, 4860, 5120, 5184, 5760, 6480, 6912, 7680, 7776, 8640, 9216, 9720, 10368, 11520, 12960, 13824, 15360, 15552, 16141, 17280, 19440, 20736, 23040, 25920, 27648, 31104, 32282, 34560, 38880, 41472, 46080, 48423, 51840, 62208, 64564, 69120, 77760, 80705, 82944, 96846, 103680, 124416, 129128, 138240, 145269, 155520, 161410, 193692, 207360, 242115, 248832, 258256, 290538, 311040, 322820, 387384, 414720, 435807, 484230, 516512, 581076, 622080, 645640, 726345, 774768, 871614, 968460, 1033024, 1162152, 1244160, 1291280, 1307421, 1452690, 1549536, 1743228, 1936920, 2066048, 2179035, 2324304, 2582560, 2614842, 2905380, 3099072, 3486456, 3873840, 3922263, 4132096, 4358070, 4648608, 5165120, 5229684, 5810760, 6198144, 6537105, 6972912, 7747680, 7844526, 8264192, 8716140, 9297216, 10330240, 10459368, 11621520, 12396288, 13074210, 13945824, 15495360, 15689052, 16528384, 17432280, 18594432, 19611315, 20660480, 20918736, 23243040, 24792576, 26148420, 27891648, 30990720, 31378104, 34864560, 37188864, 39222630, 41320960, 41837472, 46486080, 49585152, 52296840, 55783296, 61981440, 62756208, 69729120, 74377728, 78445260, 82641920, 83674944, 92972160, 104593680, 111566592, 123962880, 125512416, 139458240, 148755456, 156890520, 167349888, 185944320, 209187360, 223133184, 247925760, 251024832, 278916480, 313781040, 334699776, 371888640, 418374720, 446266368, 502049664, 557832960, 627562080, 669399552, 743777280, 836749440, 1004099328, 1115665920, 1255124160, 1338799104, 1673498880, 2008198656, 2231331840, 2510248320, 3346997760, 4016397312, 5020496640, 6693995520, 10040993280, 20081986560]

約数ペア:

[(1, 20081986560), (2, 10040993280), (3, 6693995520), (4, 5020496640), (5, 4016397312), (6, 3346997760), (8, 2510248320), (9, 2231331840), (10, 2008198656), (12, 1673498880), (15, 1338799104), (16, 1255124160), (18, 1115665920), (20, 1004099328), (24, 836749440), (27, 743777280), (30, 669399552), (32, 627562080), (36, 557832960), (40, 502049664), (45, 446266368), (48, 418374720), (54, 371888640), (60, 334699776), (64, 313781040), (72, 278916480), (80, 251024832), (81, 247925760), (90, 223133184), (96, 209187360), (108, 185944320), (120, 167349888), (128, 156890520), (135, 148755456), (144, 139458240), (160, 125512416), (162, 123962880), (180, 111566592), (192, 104593680), (216, 92972160), (240, 83674944), (243, 82641920), (256, 78445260), (270, 74377728), (288, 69729120), (320, 62756208), (324, 61981440), (360, 55783296), (384, 52296840), (405, 49585152), (432, 46486080), (480, 41837472), (486, 41320960), (512, 39222630), (540, 37188864), (576, 34864560), (640, 31378104), (648, 30990720), (720, 27891648), (768, 26148420), (810, 24792576), (864, 23243040), (960, 20918736), (972, 20660480), (1024, 19611315), (1080, 18594432), (1152, 17432280), (1215, 16528384), (1280, 15689052), (1296, 15495360), (1440, 13945824), (1536, 13074210), (1620, 12396288), (1728, 11621520), (1920, 10459368), (1944, 10330240), (2160, 9297216), (2304, 8716140), (2430, 8264192), (2560, 7844526), (2592, 7747680), (2880, 6972912), (3072, 6537105), (3240, 6198144), (3456, 5810760), (3840, 5229684), (3888, 5165120), (4320, 4648608), (4608, 4358070), (4860, 4132096), (5120, 3922263), (5184, 3873840), (5760, 3486456), (6480, 3099072), (6912, 2905380), (7680, 2614842), (7776, 2582560), (8640, 2324304), (9216, 2179035), (9720, 2066048), (10368, 1936920), (11520, 1743228), (12960, 1549536), (13824, 1452690), (15360, 1307421), (15552, 1291280), (16141, 1244160), (17280, 1162152), (19440, 1033024), (20736, 968460), (23040, 871614), (25920, 774768), (27648, 726345), (31104, 645640), (32282, 622080), (34560, 581076), (38880, 516512), (41472, 484230), (46080, 435807), (48423, 414720), (51840, 387384), (62208, 322820), (64564, 311040), (69120, 290538), (77760, 258256), (80705, 248832), (82944, 242115), (96846, 207360), (103680, 193692), (124416, 161410), (129128, 155520), (138240, 145269)]