641460960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{9091}}^1$

素因数の和:9126

約数の個数: 216

約数和(自身を含む): 2546651016

約数和(自身を除く): 1905190056

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, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8820, 9091, 10080, 11760, 14112, 17640, 18182, 23520, 27273, 35280, 36364, 45455, 54546, 63637, 70560, 72728, 81819, 90910, 109092, 127274, 136365, 145456, 163638, 181820, 190911, 218184, 254548, 272730, 290912, 318185, 327276, 363640, 381822, 409095, 436368, 445459, 509096, 545460, 572733, 636370, 654552, 727280, 763644, 818190, 872736, 890918, 954555, 1018192, 1090920, 1145466, 1272740, 1309104, 1336377, 1454560, 1527288, 1636380, 1781836, 1909110, 2036384, 2181840, 2227295, 2290932, 2545480, 2618208, 2672754, 2863665, 3054576, 3272760, 3563672, 3818220, 4009131, 4363680, 4454590, 4581864, 5090960, 5345508, 5727330, 6109152, 6545520, 6681885, 7127344, 7636440, 8018262, 8909180, 9163728, 10181920, 10691016, 11454660, 13091040, 13363770, 14254688, 15272880, 16036524, 17818360, 18327456, 20045655, 21382032, 22909320, 26727540, 30545760, 32073048, 35636720, 40091310, 42764064, 45818640, 53455080, 64146096, 71273440, 80182620, 91637280, 106910160, 128292192, 160365240, 213820320, 320730480, 641460960]

約数ペア:

[(1, 641460960), (2, 320730480), (3, 213820320), (4, 160365240), (5, 128292192), (6, 106910160), (7, 91637280), (8, 80182620), (9, 71273440), (10, 64146096), (12, 53455080), (14, 45818640), (15, 42764064), (16, 40091310), (18, 35636720), (20, 32073048), (21, 30545760), (24, 26727540), (28, 22909320), (30, 21382032), (32, 20045655), (35, 18327456), (36, 17818360), (40, 16036524), (42, 15272880), (45, 14254688), (48, 13363770), (49, 13091040), (56, 11454660), (60, 10691016), (63, 10181920), (70, 9163728), (72, 8909180), (80, 8018262), (84, 7636440), (90, 7127344), (96, 6681885), (98, 6545520), (105, 6109152), (112, 5727330), (120, 5345508), (126, 5090960), (140, 4581864), (144, 4454590), (147, 4363680), (160, 4009131), (168, 3818220), (180, 3563672), (196, 3272760), (210, 3054576), (224, 2863665), (240, 2672754), (245, 2618208), (252, 2545480), (280, 2290932), (288, 2227295), (294, 2181840), (315, 2036384), (336, 1909110), (360, 1781836), (392, 1636380), (420, 1527288), (441, 1454560), (480, 1336377), (490, 1309104), (504, 1272740), (560, 1145466), (588, 1090920), (630, 1018192), (672, 954555), (720, 890918), (735, 872736), (784, 818190), (840, 763644), (882, 727280), (980, 654552), (1008, 636370), (1120, 572733), (1176, 545460), (1260, 509096), (1440, 445459), (1470, 436368), (1568, 409095), (1680, 381822), (1764, 363640), (1960, 327276), (2016, 318185), (2205, 290912), (2352, 272730), (2520, 254548), (2940, 218184), (3360, 190911), (3528, 181820), (3920, 163638), (4410, 145456), (4704, 136365), (5040, 127274), (5880, 109092), (7056, 90910), (7840, 81819), (8820, 72728), (9091, 70560), (10080, 63637), (11760, 54546), (14112, 45455), (17640, 36364), (18182, 35280), (23520, 27273)]