18838781640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257783}}^1$

素因数の和:257836

約数の個数: 192

約数和(自身を含む): 72385747200

約数和(自身を除く): 53546965560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 56, 58, 60, 63, 70, 72, 84, 87, 90, 105, 116, 120, 126, 140, 145, 168, 174, 180, 203, 210, 232, 252, 261, 280, 290, 315, 348, 360, 406, 420, 435, 504, 522, 580, 609, 630, 696, 812, 840, 870, 1015, 1044, 1160, 1218, 1260, 1305, 1624, 1740, 1827, 2030, 2088, 2436, 2520, 2610, 3045, 3480, 3654, 4060, 4872, 5220, 6090, 7308, 8120, 9135, 10440, 12180, 14616, 18270, 24360, 36540, 73080, 257783, 515566, 773349, 1031132, 1288915, 1546698, 1804481, 2062264, 2320047, 2577830, 3093396, 3608962, 3866745, 4640094, 5155660, 5413443, 6186792, 7217924, 7475707, 7733490, 9022405, 9280188, 10311320, 10826886, 11600235, 14435848, 14951414, 15466980, 16240329, 18044810, 18560376, 21653772, 22427121, 23200470, 27067215, 29902828, 30933960, 32480658, 36089620, 37378535, 43307544, 44854242, 46400940, 52329949, 54134430, 59805656, 64961316, 67281363, 72179240, 74757070, 81201645, 89708484, 92801880, 104659898, 108268860, 112135605, 129922632, 134562726, 149514140, 156989847, 162403290, 179416968, 209319796, 216537720, 224271210, 261649745, 269125452, 299028280, 313979694, 324806580, 336406815, 418639592, 448542420, 470969541, 523299490, 538250904, 627959388, 649613160, 672813630, 784949235, 897084840, 941939082, 1046598980, 1255918776, 1345627260, 1569898470, 1883878164, 2093197960, 2354847705, 2691254520, 3139796940, 3767756328, 4709695410, 6279593880, 9419390820, 18838781640]

約数ペア:

[(1, 18838781640), (2, 9419390820), (3, 6279593880), (4, 4709695410), (5, 3767756328), (6, 3139796940), (7, 2691254520), (8, 2354847705), (9, 2093197960), (10, 1883878164), (12, 1569898470), (14, 1345627260), (15, 1255918776), (18, 1046598980), (20, 941939082), (21, 897084840), (24, 784949235), (28, 672813630), (29, 649613160), (30, 627959388), (35, 538250904), (36, 523299490), (40, 470969541), (42, 448542420), (45, 418639592), (56, 336406815), (58, 324806580), (60, 313979694), (63, 299028280), (70, 269125452), (72, 261649745), (84, 224271210), (87, 216537720), (90, 209319796), (105, 179416968), (116, 162403290), (120, 156989847), (126, 149514140), (140, 134562726), (145, 129922632), (168, 112135605), (174, 108268860), (180, 104659898), (203, 92801880), (210, 89708484), (232, 81201645), (252, 74757070), (261, 72179240), (280, 67281363), (290, 64961316), (315, 59805656), (348, 54134430), (360, 52329949), (406, 46400940), (420, 44854242), (435, 43307544), (504, 37378535), (522, 36089620), (580, 32480658), (609, 30933960), (630, 29902828), (696, 27067215), (812, 23200470), (840, 22427121), (870, 21653772), (1015, 18560376), (1044, 18044810), (1160, 16240329), (1218, 15466980), (1260, 14951414), (1305, 14435848), (1624, 11600235), (1740, 10826886), (1827, 10311320), (2030, 9280188), (2088, 9022405), (2436, 7733490), (2520, 7475707), (2610, 7217924), (3045, 6186792), (3480, 5413443), (3654, 5155660), (4060, 4640094), (4872, 3866745), (5220, 3608962), (6090, 3093396), (7308, 2577830), (8120, 2320047), (9135, 2062264), (10440, 1804481), (12180, 1546698), (14616, 1288915), (18270, 1031132), (24360, 773349), (36540, 515566), (73080, 257783)]