1721761860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:363

約数の個数: 288

約数和(自身を含む): 6044516352

約数和(自身を除く): 4322754492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 127, 130, 140, 156, 169, 182, 191, 195, 210, 254, 260, 273, 338, 364, 381, 382, 390, 420, 455, 507, 508, 546, 573, 635, 676, 762, 764, 780, 845, 889, 910, 955, 1014, 1092, 1146, 1183, 1270, 1337, 1365, 1524, 1651, 1690, 1778, 1820, 1905, 1910, 2028, 2292, 2366, 2483, 2535, 2540, 2667, 2674, 2730, 2865, 3302, 3380, 3549, 3556, 3810, 3820, 4011, 4445, 4732, 4953, 4966, 5070, 5334, 5348, 5460, 5730, 5915, 6604, 6685, 7098, 7449, 7620, 8022, 8255, 8890, 9906, 9932, 10140, 10668, 11460, 11557, 11830, 12415, 13335, 13370, 14196, 14898, 16044, 16510, 17381, 17745, 17780, 19812, 20055, 21463, 23114, 23660, 24257, 24765, 24830, 26670, 26740, 29796, 32279, 33020, 34671, 34762, 35490, 37245, 40110, 42926, 46228, 48514, 49530, 49660, 52143, 53340, 57785, 64389, 64558, 69342, 69524, 70980, 72771, 74490, 80220, 85852, 86905, 96837, 97028, 99060, 104286, 107315, 115570, 121285, 128778, 129116, 138684, 145542, 148980, 150241, 161395, 169799, 173355, 173810, 193674, 208572, 214630, 225953, 231140, 242570, 257556, 260715, 291084, 300482, 315341, 321945, 322790, 339598, 346710, 347620, 363855, 387348, 429260, 450723, 451906, 484185, 485140, 509397, 521430, 600964, 630682, 643890, 645580, 677859, 679196, 693420, 727710, 751205, 848995, 901446, 903812, 946023, 968370, 1018794, 1042860, 1129765, 1261364, 1287780, 1355718, 1455420, 1502410, 1576705, 1697990, 1802892, 1892046, 1936740, 2037588, 2207387, 2253615, 2259530, 2546985, 2711436, 3004820, 3153410, 3389295, 3395980, 3784092, 4099433, 4414774, 4507230, 4519060, 4730115, 5093970, 6306820, 6622161, 6778590, 8198866, 8829548, 9014460, 9460230, 10187940, 11036935, 12298299, 13244322, 13557180, 16397732, 18920460, 20497165, 22073870, 24596598, 26488644, 28696031, 33110805, 40994330, 44147740, 49193196, 57392062, 61491495, 66221610, 81988660, 86088093, 114784124, 122982990, 132443220, 143480155, 172176186, 245965980, 286960310, 344352372, 430440465, 573920620, 860880930, 1721761860]

約数ペア:

[(1, 1721761860), (2, 860880930), (3, 573920620), (4, 430440465), (5, 344352372), (6, 286960310), (7, 245965980), (10, 172176186), (12, 143480155), (13, 132443220), (14, 122982990), (15, 114784124), (20, 86088093), (21, 81988660), (26, 66221610), (28, 61491495), (30, 57392062), (35, 49193196), (39, 44147740), (42, 40994330), (52, 33110805), (60, 28696031), (65, 26488644), (70, 24596598), (78, 22073870), (84, 20497165), (91, 18920460), (105, 16397732), (127, 13557180), (130, 13244322), (140, 12298299), (156, 11036935), (169, 10187940), (182, 9460230), (191, 9014460), (195, 8829548), (210, 8198866), (254, 6778590), (260, 6622161), (273, 6306820), (338, 5093970), (364, 4730115), (381, 4519060), (382, 4507230), (390, 4414774), (420, 4099433), (455, 3784092), (507, 3395980), (508, 3389295), (546, 3153410), (573, 3004820), (635, 2711436), (676, 2546985), (762, 2259530), (764, 2253615), (780, 2207387), (845, 2037588), (889, 1936740), (910, 1892046), (955, 1802892), (1014, 1697990), (1092, 1576705), (1146, 1502410), (1183, 1455420), (1270, 1355718), (1337, 1287780), (1365, 1261364), (1524, 1129765), (1651, 1042860), (1690, 1018794), (1778, 968370), (1820, 946023), (1905, 903812), (1910, 901446), (2028, 848995), (2292, 751205), (2366, 727710), (2483, 693420), (2535, 679196), (2540, 677859), (2667, 645580), (2674, 643890), (2730, 630682), (2865, 600964), (3302, 521430), (3380, 509397), (3549, 485140), (3556, 484185), (3810, 451906), (3820, 450723), (4011, 429260), (4445, 387348), (4732, 363855), (4953, 347620), (4966, 346710), (5070, 339598), (5334, 322790), (5348, 321945), (5460, 315341), (5730, 300482), (5915, 291084), (6604, 260715), (6685, 257556), (7098, 242570), (7449, 231140), (7620, 225953), (8022, 214630), (8255, 208572), (8890, 193674), (9906, 173810), (9932, 173355), (10140, 169799), (10668, 161395), (11460, 150241), (11557, 148980), (11830, 145542), (12415, 138684), (13335, 129116), (13370, 128778), (14196, 121285), (14898, 115570), (16044, 107315), (16510, 104286), (17381, 99060), (17745, 97028), (17780, 96837), (19812, 86905), (20055, 85852), (21463, 80220), (23114, 74490), (23660, 72771), (24257, 70980), (24765, 69524), (24830, 69342), (26670, 64558), (26740, 64389), (29796, 57785), (32279, 53340), (33020, 52143), (34671, 49660), (34762, 49530), (35490, 48514), (37245, 46228), (40110, 42926)]