1639802880

素因数分解:

$2^{11}\times 3^5\times 5^1\times {\mathrm{659}}^1$

素因数の和:701

約数の個数: 288

約数和(自身を含む): 5902696800

約数和(自身を除く): 4262893920

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, 659, 720, 768, 810, 864, 960, 972, 1024, 1080, 1152, 1215, 1280, 1296, 1318, 1440, 1536, 1620, 1728, 1920, 1944, 1977, 2048, 2160, 2304, 2430, 2560, 2592, 2636, 2880, 3072, 3240, 3295, 3456, 3840, 3888, 3954, 4320, 4608, 4860, 5120, 5184, 5272, 5760, 5931, 6144, 6480, 6590, 6912, 7680, 7776, 7908, 8640, 9216, 9720, 9885, 10240, 10368, 10544, 11520, 11862, 12960, 13180, 13824, 15360, 15552, 15816, 17280, 17793, 18432, 19440, 19770, 20736, 21088, 23040, 23724, 25920, 26360, 27648, 29655, 30720, 31104, 31632, 34560, 35586, 38880, 39540, 41472, 42176, 46080, 47448, 51840, 52720, 53379, 55296, 59310, 62208, 63264, 69120, 71172, 77760, 79080, 82944, 84352, 88965, 92160, 94896, 103680, 105440, 106758, 118620, 124416, 126528, 138240, 142344, 155520, 158160, 160137, 165888, 168704, 177930, 189792, 207360, 210880, 213516, 237240, 248832, 253056, 266895, 276480, 284688, 311040, 316320, 320274, 337408, 355860, 379584, 414720, 421760, 427032, 474480, 497664, 506112, 533790, 569376, 622080, 632640, 640548, 674816, 711720, 759168, 800685, 829440, 843520, 854064, 948960, 1012224, 1067580, 1138752, 1244160, 1265280, 1281096, 1349632, 1423440, 1518336, 1601370, 1687040, 1708128, 1897920, 2024448, 2135160, 2277504, 2488320, 2530560, 2562192, 2846880, 3036672, 3202740, 3374080, 3416256, 3795840, 4048896, 4270320, 4555008, 5061120, 5124384, 5693760, 6073344, 6405480, 6748160, 6832512, 7591680, 8540640, 9110016, 10122240, 10248768, 11387520, 12146688, 12810960, 13665024, 15183360, 17081280, 18220032, 20244480, 20497536, 22775040, 25621920, 27330048, 30366720, 34162560, 36440064, 40995072, 45550080, 51243840, 54660096, 60733440, 68325120, 81990144, 91100160, 102487680, 109320192, 136650240, 163980288, 182200320, 204975360, 273300480, 327960576, 409950720, 546600960, 819901440, 1639802880]

約数ペア:

[(1, 1639802880), (2, 819901440), (3, 546600960), (4, 409950720), (5, 327960576), (6, 273300480), (8, 204975360), (9, 182200320), (10, 163980288), (12, 136650240), (15, 109320192), (16, 102487680), (18, 91100160), (20, 81990144), (24, 68325120), (27, 60733440), (30, 54660096), (32, 51243840), (36, 45550080), (40, 40995072), (45, 36440064), (48, 34162560), (54, 30366720), (60, 27330048), (64, 25621920), (72, 22775040), (80, 20497536), (81, 20244480), (90, 18220032), (96, 17081280), (108, 15183360), (120, 13665024), (128, 12810960), (135, 12146688), (144, 11387520), (160, 10248768), (162, 10122240), (180, 9110016), (192, 8540640), (216, 7591680), (240, 6832512), (243, 6748160), (256, 6405480), (270, 6073344), (288, 5693760), (320, 5124384), (324, 5061120), (360, 4555008), (384, 4270320), (405, 4048896), (432, 3795840), (480, 3416256), (486, 3374080), (512, 3202740), (540, 3036672), (576, 2846880), (640, 2562192), (648, 2530560), (659, 2488320), (720, 2277504), (768, 2135160), (810, 2024448), (864, 1897920), (960, 1708128), (972, 1687040), (1024, 1601370), (1080, 1518336), (1152, 1423440), (1215, 1349632), (1280, 1281096), (1296, 1265280), (1318, 1244160), (1440, 1138752), (1536, 1067580), (1620, 1012224), (1728, 948960), (1920, 854064), (1944, 843520), (1977, 829440), (2048, 800685), (2160, 759168), (2304, 711720), (2430, 674816), (2560, 640548), (2592, 632640), (2636, 622080), (2880, 569376), (3072, 533790), (3240, 506112), (3295, 497664), (3456, 474480), (3840, 427032), (3888, 421760), (3954, 414720), (4320, 379584), (4608, 355860), (4860, 337408), (5120, 320274), (5184, 316320), (5272, 311040), (5760, 284688), (5931, 276480), (6144, 266895), (6480, 253056), (6590, 248832), (6912, 237240), (7680, 213516), (7776, 210880), (7908, 207360), (8640, 189792), (9216, 177930), (9720, 168704), (9885, 165888), (10240, 160137), (10368, 158160), (10544, 155520), (11520, 142344), (11862, 138240), (12960, 126528), (13180, 124416), (13824, 118620), (15360, 106758), (15552, 105440), (15816, 103680), (17280, 94896), (17793, 92160), (18432, 88965), (19440, 84352), (19770, 82944), (20736, 79080), (21088, 77760), (23040, 71172), (23724, 69120), (25920, 63264), (26360, 62208), (27648, 59310), (29655, 55296), (30720, 53379), (31104, 52720), (31632, 51840), (34560, 47448), (35586, 46080), (38880, 42176), (39540, 41472)]