20913353280

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{2657}}^1$

素因数の和:3594

約数の個数: 224

約数和(自身を含む): 73886446080

約数和(自身を除く): 52973092800

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, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 911, 960, 1080, 1440, 1728, 1822, 2160, 2657, 2733, 2880, 3644, 4320, 4555, 5314, 5466, 7288, 7971, 8199, 8640, 9110, 10628, 10932, 13285, 13665, 14576, 15942, 16398, 18220, 21256, 21864, 23913, 24597, 26570, 27330, 29152, 31884, 32796, 36440, 39855, 40995, 42512, 43728, 47826, 49194, 53140, 54660, 58304, 63768, 65592, 71739, 72880, 79710, 81990, 85024, 87456, 95652, 98388, 106280, 109320, 119565, 122985, 127536, 131184, 143478, 145760, 159420, 163980, 170048, 174912, 191304, 196776, 212560, 218640, 239130, 245970, 255072, 262368, 286956, 291520, 318840, 327960, 358695, 382608, 393552, 425120, 437280, 478260, 491940, 510144, 524736, 573912, 637680, 655920, 717390, 765216, 787104, 850240, 874560, 956520, 983880, 1147824, 1275360, 1311840, 1434780, 1530432, 1574208, 1913040, 1967760, 2295648, 2420527, 2550720, 2623680, 2869560, 3826080, 3935520, 4591296, 4841054, 5739120, 7261581, 7652160, 7871040, 9682108, 11478240, 12102635, 14523162, 19364216, 21784743, 22956480, 24205270, 29046324, 36307905, 38728432, 43569486, 48410540, 58092648, 65354229, 72615810, 77456864, 87138972, 96821080, 108923715, 116185296, 130708458, 145231620, 154913728, 174277944, 193642160, 217847430, 232370592, 261416916, 290463240, 326771145, 348555888, 387284320, 435694860, 464741184, 522833832, 580926480, 653542290, 697111776, 774568640, 871389720, 1045667664, 1161852960, 1307084580, 1394223552, 1742779440, 2091335328, 2323705920, 2614169160, 3485558880, 4182670656, 5228338320, 6971117760, 10456676640, 20913353280]

約数ペア:

[(1, 20913353280), (2, 10456676640), (3, 6971117760), (4, 5228338320), (5, 4182670656), (6, 3485558880), (8, 2614169160), (9, 2323705920), (10, 2091335328), (12, 1742779440), (15, 1394223552), (16, 1307084580), (18, 1161852960), (20, 1045667664), (24, 871389720), (27, 774568640), (30, 697111776), (32, 653542290), (36, 580926480), (40, 522833832), (45, 464741184), (48, 435694860), (54, 387284320), (60, 348555888), (64, 326771145), (72, 290463240), (80, 261416916), (90, 232370592), (96, 217847430), (108, 193642160), (120, 174277944), (135, 154913728), (144, 145231620), (160, 130708458), (180, 116185296), (192, 108923715), (216, 96821080), (240, 87138972), (270, 77456864), (288, 72615810), (320, 65354229), (360, 58092648), (432, 48410540), (480, 43569486), (540, 38728432), (576, 36307905), (720, 29046324), (864, 24205270), (911, 22956480), (960, 21784743), (1080, 19364216), (1440, 14523162), (1728, 12102635), (1822, 11478240), (2160, 9682108), (2657, 7871040), (2733, 7652160), (2880, 7261581), (3644, 5739120), (4320, 4841054), (4555, 4591296), (5314, 3935520), (5466, 3826080), (7288, 2869560), (7971, 2623680), (8199, 2550720), (8640, 2420527), (9110, 2295648), (10628, 1967760), (10932, 1913040), (13285, 1574208), (13665, 1530432), (14576, 1434780), (15942, 1311840), (16398, 1275360), (18220, 1147824), (21256, 983880), (21864, 956520), (23913, 874560), (24597, 850240), (26570, 787104), (27330, 765216), (29152, 717390), (31884, 655920), (32796, 637680), (36440, 573912), (39855, 524736), (40995, 510144), (42512, 491940), (43728, 478260), (47826, 437280), (49194, 425120), (53140, 393552), (54660, 382608), (58304, 358695), (63768, 327960), (65592, 318840), (71739, 291520), (72880, 286956), (79710, 262368), (81990, 255072), (85024, 245970), (87456, 239130), (95652, 218640), (98388, 212560), (106280, 196776), (109320, 191304), (119565, 174912), (122985, 170048), (127536, 163980), (131184, 159420), (143478, 145760)]