638477280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:778

約数の個数: 288

約数和(自身を含む): 2519584704

約数和(自身を除く): 1881107424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 97, 105, 112, 120, 126, 140, 144, 160, 168, 180, 194, 210, 224, 240, 252, 280, 288, 291, 315, 336, 360, 388, 420, 480, 485, 504, 560, 582, 630, 653, 672, 679, 720, 776, 840, 873, 970, 1008, 1120, 1164, 1260, 1306, 1358, 1440, 1455, 1552, 1680, 1746, 1940, 1959, 2016, 2037, 2328, 2520, 2612, 2716, 2910, 3104, 3265, 3360, 3395, 3492, 3880, 3918, 4074, 4365, 4571, 4656, 5040, 5224, 5432, 5820, 5877, 6111, 6530, 6790, 6984, 7760, 7836, 8148, 8730, 9142, 9312, 9795, 10080, 10185, 10448, 10864, 11640, 11754, 12222, 13060, 13580, 13713, 13968, 15520, 15672, 16296, 17460, 18284, 19590, 20370, 20896, 21728, 22855, 23280, 23508, 24444, 26120, 27160, 27426, 27936, 29385, 30555, 31344, 32592, 34920, 36568, 39180, 40740, 41139, 45710, 46560, 47016, 48888, 52240, 54320, 54852, 58770, 61110, 62688, 63341, 65184, 68565, 69840, 73136, 78360, 81480, 82278, 91420, 94032, 97776, 104480, 108640, 109704, 117540, 122220, 126682, 137130, 139680, 146272, 156720, 162960, 164556, 182840, 188064, 190023, 195552, 205695, 219408, 235080, 244440, 253364, 274260, 313440, 316705, 325920, 329112, 365680, 380046, 411390, 438816, 443387, 470160, 488880, 506728, 548520, 570069, 633410, 658224, 731360, 760092, 822780, 886774, 940320, 950115, 977760, 1013456, 1097040, 1140138, 1266820, 1316448, 1330161, 1520184, 1645560, 1773548, 1900230, 2026912, 2194080, 2216935, 2280276, 2533640, 2660322, 2850345, 3040368, 3291120, 3547096, 3800460, 3990483, 4433870, 4560552, 5067280, 5320644, 5700690, 6080736, 6582240, 6650805, 7094192, 7600920, 7980966, 8867740, 9121104, 10134560, 10641288, 11401380, 13301610, 14188384, 15201840, 15961932, 17735480, 18242208, 19952415, 21282576, 22802760, 26603220, 30403680, 31923864, 35470960, 39904830, 42565152, 45605520, 53206440, 63847728, 70941920, 79809660, 91211040, 106412880, 127695456, 159619320, 212825760, 319238640, 638477280]

約数ペア:

[(1, 638477280), (2, 319238640), (3, 212825760), (4, 159619320), (5, 127695456), (6, 106412880), (7, 91211040), (8, 79809660), (9, 70941920), (10, 63847728), (12, 53206440), (14, 45605520), (15, 42565152), (16, 39904830), (18, 35470960), (20, 31923864), (21, 30403680), (24, 26603220), (28, 22802760), (30, 21282576), (32, 19952415), (35, 18242208), (36, 17735480), (40, 15961932), (42, 15201840), (45, 14188384), (48, 13301610), (56, 11401380), (60, 10641288), (63, 10134560), (70, 9121104), (72, 8867740), (80, 7980966), (84, 7600920), (90, 7094192), (96, 6650805), (97, 6582240), (105, 6080736), (112, 5700690), (120, 5320644), (126, 5067280), (140, 4560552), (144, 4433870), (160, 3990483), (168, 3800460), (180, 3547096), (194, 3291120), (210, 3040368), (224, 2850345), (240, 2660322), (252, 2533640), (280, 2280276), (288, 2216935), (291, 2194080), (315, 2026912), (336, 1900230), (360, 1773548), (388, 1645560), (420, 1520184), (480, 1330161), (485, 1316448), (504, 1266820), (560, 1140138), (582, 1097040), (630, 1013456), (653, 977760), (672, 950115), (679, 940320), (720, 886774), (776, 822780), (840, 760092), (873, 731360), (970, 658224), (1008, 633410), (1120, 570069), (1164, 548520), (1260, 506728), (1306, 488880), (1358, 470160), (1440, 443387), (1455, 438816), (1552, 411390), (1680, 380046), (1746, 365680), (1940, 329112), (1959, 325920), (2016, 316705), (2037, 313440), (2328, 274260), (2520, 253364), (2612, 244440), (2716, 235080), (2910, 219408), (3104, 205695), (3265, 195552), (3360, 190023), (3395, 188064), (3492, 182840), (3880, 164556), (3918, 162960), (4074, 156720), (4365, 146272), (4571, 139680), (4656, 137130), (5040, 126682), (5224, 122220), (5432, 117540), (5820, 109704), (5877, 108640), (6111, 104480), (6530, 97776), (6790, 94032), (6984, 91420), (7760, 82278), (7836, 81480), (8148, 78360), (8730, 73136), (9142, 69840), (9312, 68565), (9795, 65184), (10080, 63341), (10185, 62688), (10448, 61110), (10864, 58770), (11640, 54852), (11754, 54320), (12222, 52240), (13060, 48888), (13580, 47016), (13713, 46560), (13968, 45710), (15520, 41139), (15672, 40740), (16296, 39180), (17460, 36568), (18284, 34920), (19590, 32592), (20370, 31344), (20896, 30555), (21728, 29385), (22855, 27936), (23280, 27426), (23508, 27160), (24444, 26120)]