640242240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3191}}^1$

素因数の和:3241

約数の個数: 224

約数和(自身を含む): 2335011840

約数和(自身を除く): 1694769600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 64, 66, 76, 80, 88, 95, 96, 110, 114, 120, 132, 152, 160, 165, 176, 190, 192, 209, 220, 228, 240, 264, 285, 304, 320, 330, 352, 380, 418, 440, 456, 480, 528, 570, 608, 627, 660, 704, 760, 836, 880, 912, 960, 1045, 1056, 1140, 1216, 1254, 1320, 1520, 1672, 1760, 1824, 2090, 2112, 2280, 2508, 2640, 3040, 3135, 3191, 3344, 3520, 3648, 4180, 4560, 5016, 5280, 6080, 6270, 6382, 6688, 8360, 9120, 9573, 10032, 10560, 12540, 12764, 13376, 15955, 16720, 18240, 19146, 20064, 25080, 25528, 31910, 33440, 35101, 38292, 40128, 47865, 50160, 51056, 60629, 63820, 66880, 70202, 76584, 95730, 100320, 102112, 105303, 121258, 127640, 140404, 153168, 175505, 181887, 191460, 200640, 204224, 210606, 242516, 255280, 280808, 303145, 306336, 351010, 363774, 382920, 421212, 485032, 510560, 526515, 561616, 606290, 612672, 666919, 702020, 727548, 765840, 842424, 909435, 970064, 1021120, 1053030, 1123232, 1212580, 1333838, 1404040, 1455096, 1531680, 1684848, 1818870, 1940128, 2000757, 2106060, 2246464, 2425160, 2667676, 2808080, 2910192, 3063360, 3334595, 3369696, 3637740, 3880256, 4001514, 4212120, 4850320, 5335352, 5616160, 5820384, 6669190, 6739392, 7275480, 8003028, 8424240, 9700640, 10003785, 10670704, 11232320, 11640768, 13338380, 14550960, 16006056, 16848480, 19401280, 20007570, 21341408, 26676760, 29101920, 32012112, 33696960, 40015140, 42682816, 53353520, 58203840, 64024224, 80030280, 106707040, 128048448, 160060560, 213414080, 320121120, 640242240]

約数ペア:

[(1, 640242240), (2, 320121120), (3, 213414080), (4, 160060560), (5, 128048448), (6, 106707040), (8, 80030280), (10, 64024224), (11, 58203840), (12, 53353520), (15, 42682816), (16, 40015140), (19, 33696960), (20, 32012112), (22, 29101920), (24, 26676760), (30, 21341408), (32, 20007570), (33, 19401280), (38, 16848480), (40, 16006056), (44, 14550960), (48, 13338380), (55, 11640768), (57, 11232320), (60, 10670704), (64, 10003785), (66, 9700640), (76, 8424240), (80, 8003028), (88, 7275480), (95, 6739392), (96, 6669190), (110, 5820384), (114, 5616160), (120, 5335352), (132, 4850320), (152, 4212120), (160, 4001514), (165, 3880256), (176, 3637740), (190, 3369696), (192, 3334595), (209, 3063360), (220, 2910192), (228, 2808080), (240, 2667676), (264, 2425160), (285, 2246464), (304, 2106060), (320, 2000757), (330, 1940128), (352, 1818870), (380, 1684848), (418, 1531680), (440, 1455096), (456, 1404040), (480, 1333838), (528, 1212580), (570, 1123232), (608, 1053030), (627, 1021120), (660, 970064), (704, 909435), (760, 842424), (836, 765840), (880, 727548), (912, 702020), (960, 666919), (1045, 612672), (1056, 606290), (1140, 561616), (1216, 526515), (1254, 510560), (1320, 485032), (1520, 421212), (1672, 382920), (1760, 363774), (1824, 351010), (2090, 306336), (2112, 303145), (2280, 280808), (2508, 255280), (2640, 242516), (3040, 210606), (3135, 204224), (3191, 200640), (3344, 191460), (3520, 181887), (3648, 175505), (4180, 153168), (4560, 140404), (5016, 127640), (5280, 121258), (6080, 105303), (6270, 102112), (6382, 100320), (6688, 95730), (8360, 76584), (9120, 70202), (9573, 66880), (10032, 63820), (10560, 60629), (12540, 51056), (12764, 50160), (13376, 47865), (15955, 40128), (16720, 38292), (18240, 35101), (19146, 33440), (20064, 31910), (25080, 25528)]