19801501440

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2801}}^1$

素因数の和:3095

約数の個数: 288

約数和(自身を含む): 72576193536

約数和(自身を除く): 52774692096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 263, 280, 320, 336, 384, 420, 448, 480, 526, 560, 640, 672, 768, 789, 840, 896, 960, 1052, 1120, 1280, 1315, 1344, 1578, 1680, 1792, 1841, 1920, 2104, 2240, 2630, 2688, 2801, 3156, 3360, 3682, 3840, 3945, 4208, 4480, 5260, 5376, 5523, 5602, 6312, 6720, 7364, 7890, 8403, 8416, 8960, 9205, 10520, 11046, 11204, 12624, 13440, 14005, 14728, 15780, 16806, 16832, 18410, 19607, 21040, 22092, 22408, 25248, 26880, 27615, 28010, 29456, 31560, 33612, 33664, 36820, 39214, 42015, 42080, 44184, 44816, 50496, 55230, 56020, 58821, 58912, 63120, 67224, 67328, 73640, 78428, 84030, 84160, 88368, 89632, 98035, 100992, 110460, 112040, 117642, 117824, 126240, 134448, 147280, 156856, 168060, 168320, 176736, 179264, 196070, 201984, 220920, 224080, 235284, 235648, 252480, 268896, 294105, 294560, 313712, 336120, 336640, 353472, 358528, 392140, 441840, 448160, 470568, 471296, 504960, 537792, 588210, 589120, 627424, 672240, 706944, 717056, 736663, 784280, 883680, 896320, 941136, 1009920, 1075584, 1176420, 1178240, 1254848, 1344480, 1413888, 1473326, 1568560, 1767360, 1792640, 1882272, 2151168, 2209989, 2352840, 2356480, 2509696, 2688960, 2946652, 3137120, 3534720, 3585280, 3683315, 3764544, 4419978, 4705680, 5019392, 5156641, 5377920, 5893304, 6274240, 7069440, 7366630, 7529088, 8839956, 9411360, 10313282, 10755840, 11049945, 11786608, 12548480, 14733260, 15058176, 15469923, 17679912, 18822720, 20626564, 22099890, 23573216, 25096960, 25783205, 29466520, 30939846, 35359824, 37645440, 41253128, 44199780, 47146432, 51566410, 58933040, 61879692, 70719648, 75290880, 77349615, 82506256, 88399560, 94292864, 103132820, 117866080, 123759384, 141439296, 154699230, 165012512, 176799120, 188585728, 206265640, 235732160, 247518768, 282878592, 309398460, 330025024, 353598240, 412531280, 471464320, 495037536, 565757184, 618796920, 660050048, 707196480, 825062560, 942928640, 990075072, 1237593840, 1320100096, 1414392960, 1650125120, 1980150144, 2475187680, 2828785920, 3300250240, 3960300288, 4950375360, 6600500480, 9900750720, 19801501440]

約数ペア:

[(1, 19801501440), (2, 9900750720), (3, 6600500480), (4, 4950375360), (5, 3960300288), (6, 3300250240), (7, 2828785920), (8, 2475187680), (10, 1980150144), (12, 1650125120), (14, 1414392960), (15, 1320100096), (16, 1237593840), (20, 990075072), (21, 942928640), (24, 825062560), (28, 707196480), (30, 660050048), (32, 618796920), (35, 565757184), (40, 495037536), (42, 471464320), (48, 412531280), (56, 353598240), (60, 330025024), (64, 309398460), (70, 282878592), (80, 247518768), (84, 235732160), (96, 206265640), (105, 188585728), (112, 176799120), (120, 165012512), (128, 154699230), (140, 141439296), (160, 123759384), (168, 117866080), (192, 103132820), (210, 94292864), (224, 88399560), (240, 82506256), (256, 77349615), (263, 75290880), (280, 70719648), (320, 61879692), (336, 58933040), (384, 51566410), (420, 47146432), (448, 44199780), (480, 41253128), (526, 37645440), (560, 35359824), (640, 30939846), (672, 29466520), (768, 25783205), (789, 25096960), (840, 23573216), (896, 22099890), (960, 20626564), (1052, 18822720), (1120, 17679912), (1280, 15469923), (1315, 15058176), (1344, 14733260), (1578, 12548480), (1680, 11786608), (1792, 11049945), (1841, 10755840), (1920, 10313282), (2104, 9411360), (2240, 8839956), (2630, 7529088), (2688, 7366630), (2801, 7069440), (3156, 6274240), (3360, 5893304), (3682, 5377920), (3840, 5156641), (3945, 5019392), (4208, 4705680), (4480, 4419978), (5260, 3764544), (5376, 3683315), (5523, 3585280), (5602, 3534720), (6312, 3137120), (6720, 2946652), (7364, 2688960), (7890, 2509696), (8403, 2356480), (8416, 2352840), (8960, 2209989), (9205, 2151168), (10520, 1882272), (11046, 1792640), (11204, 1767360), (12624, 1568560), (13440, 1473326), (14005, 1413888), (14728, 1344480), (15780, 1254848), (16806, 1178240), (16832, 1176420), (18410, 1075584), (19607, 1009920), (21040, 941136), (22092, 896320), (22408, 883680), (25248, 784280), (26880, 736663), (27615, 717056), (28010, 706944), (29456, 672240), (31560, 627424), (33612, 589120), (33664, 588210), (36820, 537792), (39214, 504960), (42015, 471296), (42080, 470568), (44184, 448160), (44816, 441840), (50496, 392140), (55230, 358528), (56020, 353472), (58821, 336640), (58912, 336120), (63120, 313712), (67224, 294560), (67328, 294105), (73640, 268896), (78428, 252480), (84030, 235648), (84160, 235284), (88368, 224080), (89632, 220920), (98035, 201984), (100992, 196070), (110460, 179264), (112040, 176736), (117642, 168320), (117824, 168060), (126240, 156856), (134448, 147280)]