280934640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{7963}}^1$

素因数の和:7996

約数の個数: 180

約数和(自身を含む): 1097646264

約数和(自身を除く): 816711624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 7963, 8820, 11760, 15926, 17640, 23889, 31852, 35280, 39815, 47778, 55741, 63704, 71667, 79630, 95556, 111482, 119445, 127408, 143334, 159260, 167223, 191112, 222964, 238890, 278705, 286668, 318520, 334446, 358335, 382224, 390187, 445928, 477780, 501669, 557410, 573336, 637040, 668892, 716670, 780374, 836115, 891856, 955560, 1003338, 1114820, 1146672, 1170561, 1337784, 1433340, 1560748, 1672230, 1911120, 1950935, 2006676, 2229640, 2341122, 2508345, 2675568, 2866680, 3121496, 3344460, 3511683, 3901870, 4013352, 4459280, 4682244, 5016690, 5733360, 5852805, 6242992, 6688920, 7023366, 7803740, 8026704, 9364488, 10033380, 11705610, 13377840, 14046732, 15607480, 17558415, 18728976, 20066760, 23411220, 28093464, 31214960, 35116830, 40133520, 46822440, 56186928, 70233660, 93644880, 140467320, 280934640]

約数ペア:

[(1, 280934640), (2, 140467320), (3, 93644880), (4, 70233660), (5, 56186928), (6, 46822440), (7, 40133520), (8, 35116830), (9, 31214960), (10, 28093464), (12, 23411220), (14, 20066760), (15, 18728976), (16, 17558415), (18, 15607480), (20, 14046732), (21, 13377840), (24, 11705610), (28, 10033380), (30, 9364488), (35, 8026704), (36, 7803740), (40, 7023366), (42, 6688920), (45, 6242992), (48, 5852805), (49, 5733360), (56, 5016690), (60, 4682244), (63, 4459280), (70, 4013352), (72, 3901870), (80, 3511683), (84, 3344460), (90, 3121496), (98, 2866680), (105, 2675568), (112, 2508345), (120, 2341122), (126, 2229640), (140, 2006676), (144, 1950935), (147, 1911120), (168, 1672230), (180, 1560748), (196, 1433340), (210, 1337784), (240, 1170561), (245, 1146672), (252, 1114820), (280, 1003338), (294, 955560), (315, 891856), (336, 836115), (360, 780374), (392, 716670), (420, 668892), (441, 637040), (490, 573336), (504, 557410), (560, 501669), (588, 477780), (630, 445928), (720, 390187), (735, 382224), (784, 358335), (840, 334446), (882, 318520), (980, 286668), (1008, 278705), (1176, 238890), (1260, 222964), (1470, 191112), (1680, 167223), (1764, 159260), (1960, 143334), (2205, 127408), (2352, 119445), (2520, 111482), (2940, 95556), (3528, 79630), (3920, 71667), (4410, 63704), (5040, 55741), (5880, 47778), (7056, 39815), (7963, 35280), (8820, 31852), (11760, 23889), (15926, 17640)]