264881280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 256

約数和(自身を含む): 912124800

約数和(自身を除く): 647243520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 53, 57, 60, 64, 76, 80, 95, 96, 106, 114, 120, 128, 137, 152, 159, 160, 190, 192, 212, 228, 240, 265, 274, 285, 304, 318, 320, 380, 384, 411, 424, 456, 480, 530, 548, 570, 608, 636, 640, 685, 760, 795, 822, 848, 912, 960, 1007, 1060, 1096, 1140, 1216, 1272, 1370, 1520, 1590, 1644, 1696, 1824, 1920, 2014, 2055, 2120, 2192, 2280, 2432, 2544, 2603, 2740, 3021, 3040, 3180, 3288, 3392, 3648, 4028, 4110, 4240, 4384, 4560, 5035, 5088, 5206, 5480, 6042, 6080, 6360, 6576, 6784, 7261, 7296, 7809, 8056, 8220, 8480, 8768, 9120, 10070, 10176, 10412, 10960, 12084, 12160, 12720, 13015, 13152, 14522, 15105, 15618, 16112, 16440, 16960, 17536, 18240, 20140, 20352, 20824, 21783, 21920, 24168, 25440, 26030, 26304, 29044, 30210, 31236, 32224, 32880, 33920, 36305, 36480, 39045, 40280, 41648, 43566, 43840, 48336, 50880, 52060, 52608, 58088, 60420, 62472, 64448, 65760, 72610, 78090, 80560, 83296, 87132, 87680, 96672, 101760, 104120, 108915, 116176, 120840, 124944, 128896, 131520, 137959, 145220, 156180, 161120, 166592, 174264, 193344, 208240, 217830, 232352, 241680, 249888, 263040, 275918, 290440, 312360, 322240, 333184, 348528, 386688, 413877, 416480, 435660, 464704, 483360, 499776, 551836, 580880, 624720, 644480, 689795, 697056, 827754, 832960, 871320, 929408, 966720, 999552, 1103672, 1161760, 1249440, 1379590, 1394112, 1655508, 1665920, 1742640, 1933440, 2069385, 2207344, 2323520, 2498880, 2759180, 2788224, 3311016, 3485280, 4138770, 4414688, 4647040, 4997760, 5518360, 6622032, 6970560, 8277540, 8829376, 11036720, 13244064, 13941120, 16555080, 17658752, 22073440, 26488128, 33110160, 44146880, 52976256, 66220320, 88293760, 132440640, 264881280]

約数ペア:

[(1, 264881280), (2, 132440640), (3, 88293760), (4, 66220320), (5, 52976256), (6, 44146880), (8, 33110160), (10, 26488128), (12, 22073440), (15, 17658752), (16, 16555080), (19, 13941120), (20, 13244064), (24, 11036720), (30, 8829376), (32, 8277540), (38, 6970560), (40, 6622032), (48, 5518360), (53, 4997760), (57, 4647040), (60, 4414688), (64, 4138770), (76, 3485280), (80, 3311016), (95, 2788224), (96, 2759180), (106, 2498880), (114, 2323520), (120, 2207344), (128, 2069385), (137, 1933440), (152, 1742640), (159, 1665920), (160, 1655508), (190, 1394112), (192, 1379590), (212, 1249440), (228, 1161760), (240, 1103672), (265, 999552), (274, 966720), (285, 929408), (304, 871320), (318, 832960), (320, 827754), (380, 697056), (384, 689795), (411, 644480), (424, 624720), (456, 580880), (480, 551836), (530, 499776), (548, 483360), (570, 464704), (608, 435660), (636, 416480), (640, 413877), (685, 386688), (760, 348528), (795, 333184), (822, 322240), (848, 312360), (912, 290440), (960, 275918), (1007, 263040), (1060, 249888), (1096, 241680), (1140, 232352), (1216, 217830), (1272, 208240), (1370, 193344), (1520, 174264), (1590, 166592), (1644, 161120), (1696, 156180), (1824, 145220), (1920, 137959), (2014, 131520), (2055, 128896), (2120, 124944), (2192, 120840), (2280, 116176), (2432, 108915), (2544, 104120), (2603, 101760), (2740, 96672), (3021, 87680), (3040, 87132), (3180, 83296), (3288, 80560), (3392, 78090), (3648, 72610), (4028, 65760), (4110, 64448), (4240, 62472), (4384, 60420), (4560, 58088), (5035, 52608), (5088, 52060), (5206, 50880), (5480, 48336), (6042, 43840), (6080, 43566), (6360, 41648), (6576, 40280), (6784, 39045), (7261, 36480), (7296, 36305), (7809, 33920), (8056, 32880), (8220, 32224), (8480, 31236), (8768, 30210), (9120, 29044), (10070, 26304), (10176, 26030), (10412, 25440), (10960, 24168), (12084, 21920), (12160, 21783), (12720, 20824), (13015, 20352), (13152, 20140), (14522, 18240), (15105, 17536), (15618, 16960), (16112, 16440)]