280808220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:513

約数の個数: 288

約数和(自身を含む): 1052593920

約数和(自身を除く): 771785700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 33, 35, 38, 42, 44, 49, 55, 57, 60, 66, 70, 76, 77, 84, 95, 98, 105, 110, 114, 132, 133, 140, 147, 154, 165, 190, 196, 209, 210, 220, 228, 231, 245, 266, 285, 294, 308, 330, 380, 385, 399, 418, 420, 457, 462, 490, 532, 539, 570, 588, 627, 660, 665, 735, 770, 798, 836, 914, 924, 931, 980, 1045, 1078, 1140, 1155, 1254, 1330, 1371, 1463, 1470, 1540, 1596, 1617, 1828, 1862, 1995, 2090, 2156, 2285, 2310, 2508, 2660, 2695, 2742, 2793, 2926, 2940, 3135, 3199, 3234, 3724, 3990, 4180, 4389, 4570, 4620, 4655, 5027, 5390, 5484, 5586, 5852, 6270, 6398, 6468, 6855, 7315, 7980, 8085, 8683, 8778, 9140, 9310, 9597, 10054, 10241, 10780, 11172, 12540, 12796, 13710, 13965, 14630, 15081, 15995, 16170, 17366, 17556, 18620, 19194, 20108, 20482, 21945, 22393, 25135, 26049, 27420, 27930, 29260, 30162, 30723, 31990, 32340, 34732, 35189, 38388, 40964, 43415, 43890, 44786, 47985, 50270, 51205, 52098, 55860, 60324, 60781, 61446, 63980, 67179, 70378, 75405, 86830, 87780, 89572, 95513, 95970, 100540, 102410, 104196, 105567, 111965, 121562, 122892, 130245, 134358, 140756, 150810, 153615, 173660, 175945, 182343, 191026, 191940, 204820, 211134, 223930, 243124, 246323, 260490, 268716, 286539, 301620, 303905, 307230, 335895, 351890, 364686, 382052, 422268, 425467, 447860, 477565, 492646, 520980, 527835, 573078, 607810, 614460, 668591, 671790, 703780, 729372, 738969, 850934, 911715, 955130, 985292, 1055670, 1146156, 1215620, 1231615, 1276401, 1337182, 1343580, 1432695, 1477938, 1701868, 1823430, 1910260, 2005773, 2111340, 2127335, 2463230, 2552802, 2674364, 2865390, 2955876, 3342955, 3646860, 3694845, 4011546, 4254670, 4680137, 4926460, 5105604, 5730780, 6382005, 6685910, 7389690, 8023092, 8509340, 9360274, 10028865, 12764010, 13371820, 14040411, 14779380, 18720548, 20057730, 23400685, 25528020, 28080822, 40115460, 46801370, 56161644, 70202055, 93602740, 140404110, 280808220]

約数ペア:

[(1, 280808220), (2, 140404110), (3, 93602740), (4, 70202055), (5, 56161644), (6, 46801370), (7, 40115460), (10, 28080822), (11, 25528020), (12, 23400685), (14, 20057730), (15, 18720548), (19, 14779380), (20, 14040411), (21, 13371820), (22, 12764010), (28, 10028865), (30, 9360274), (33, 8509340), (35, 8023092), (38, 7389690), (42, 6685910), (44, 6382005), (49, 5730780), (55, 5105604), (57, 4926460), (60, 4680137), (66, 4254670), (70, 4011546), (76, 3694845), (77, 3646860), (84, 3342955), (95, 2955876), (98, 2865390), (105, 2674364), (110, 2552802), (114, 2463230), (132, 2127335), (133, 2111340), (140, 2005773), (147, 1910260), (154, 1823430), (165, 1701868), (190, 1477938), (196, 1432695), (209, 1343580), (210, 1337182), (220, 1276401), (228, 1231615), (231, 1215620), (245, 1146156), (266, 1055670), (285, 985292), (294, 955130), (308, 911715), (330, 850934), (380, 738969), (385, 729372), (399, 703780), (418, 671790), (420, 668591), (457, 614460), (462, 607810), (490, 573078), (532, 527835), (539, 520980), (570, 492646), (588, 477565), (627, 447860), (660, 425467), (665, 422268), (735, 382052), (770, 364686), (798, 351890), (836, 335895), (914, 307230), (924, 303905), (931, 301620), (980, 286539), (1045, 268716), (1078, 260490), (1140, 246323), (1155, 243124), (1254, 223930), (1330, 211134), (1371, 204820), (1463, 191940), (1470, 191026), (1540, 182343), (1596, 175945), (1617, 173660), (1828, 153615), (1862, 150810), (1995, 140756), (2090, 134358), (2156, 130245), (2285, 122892), (2310, 121562), (2508, 111965), (2660, 105567), (2695, 104196), (2742, 102410), (2793, 100540), (2926, 95970), (2940, 95513), (3135, 89572), (3199, 87780), (3234, 86830), (3724, 75405), (3990, 70378), (4180, 67179), (4389, 63980), (4570, 61446), (4620, 60781), (4655, 60324), (5027, 55860), (5390, 52098), (5484, 51205), (5586, 50270), (5852, 47985), (6270, 44786), (6398, 43890), (6468, 43415), (6855, 40964), (7315, 38388), (7980, 35189), (8085, 34732), (8683, 32340), (8778, 31990), (9140, 30723), (9310, 30162), (9597, 29260), (10054, 27930), (10241, 27420), (10780, 26049), (11172, 25135), (12540, 22393), (12796, 21945), (13710, 20482), (13965, 20108), (14630, 19194), (15081, 18620), (15995, 17556), (16170, 17366)]