205097760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20347}}^1$

素因数の和:20375

約数の個数: 144

約数和(自身を含む): 799920576

約数和(自身を除く): 594822816

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, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20347, 40694, 61041, 81388, 101735, 122082, 142429, 162776, 183123, 203470, 244164, 284858, 305205, 325552, 366246, 406940, 427287, 488328, 569716, 610410, 651104, 712145, 732492, 813880, 854574, 915615, 976656, 1139432, 1220820, 1281861, 1424290, 1464984, 1627760, 1709148, 1831230, 1953312, 2136435, 2278864, 2441640, 2563722, 2848580, 2929968, 3255520, 3418296, 3662460, 4272870, 4557728, 4883280, 5127444, 5697160, 5859936, 6409305, 6836592, 7324920, 8545740, 9766560, 10254888, 11394320, 12818610, 13673184, 14649840, 17091480, 20509776, 22788640, 25637220, 29299680, 34182960, 41019552, 51274440, 68365920, 102548880, 205097760]

約数ペア:

[(1, 205097760), (2, 102548880), (3, 68365920), (4, 51274440), (5, 41019552), (6, 34182960), (7, 29299680), (8, 25637220), (9, 22788640), (10, 20509776), (12, 17091480), (14, 14649840), (15, 13673184), (16, 12818610), (18, 11394320), (20, 10254888), (21, 9766560), (24, 8545740), (28, 7324920), (30, 6836592), (32, 6409305), (35, 5859936), (36, 5697160), (40, 5127444), (42, 4883280), (45, 4557728), (48, 4272870), (56, 3662460), (60, 3418296), (63, 3255520), (70, 2929968), (72, 2848580), (80, 2563722), (84, 2441640), (90, 2278864), (96, 2136435), (105, 1953312), (112, 1831230), (120, 1709148), (126, 1627760), (140, 1464984), (144, 1424290), (160, 1281861), (168, 1220820), (180, 1139432), (210, 976656), (224, 915615), (240, 854574), (252, 813880), (280, 732492), (288, 712145), (315, 651104), (336, 610410), (360, 569716), (420, 488328), (480, 427287), (504, 406940), (560, 366246), (630, 325552), (672, 305205), (720, 284858), (840, 244164), (1008, 203470), (1120, 183123), (1260, 162776), (1440, 142429), (1680, 122082), (2016, 101735), (2520, 81388), (3360, 61041), (5040, 40694), (10080, 20347)]