205345140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:319

約数の個数: 288

約数和(自身を含む): 779175936

約数和(自身を除く): 573830796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 105, 110, 130, 132, 140, 143, 154, 156, 165, 169, 182, 195, 210, 220, 231, 260, 263, 273, 286, 308, 330, 338, 364, 385, 390, 420, 429, 455, 462, 507, 526, 546, 572, 660, 676, 715, 770, 780, 789, 845, 858, 910, 924, 1001, 1014, 1052, 1092, 1155, 1183, 1315, 1365, 1430, 1540, 1578, 1690, 1716, 1820, 1841, 1859, 2002, 2028, 2145, 2310, 2366, 2535, 2630, 2730, 2860, 2893, 3003, 3156, 3380, 3419, 3549, 3682, 3718, 3945, 4004, 4290, 4620, 4732, 5005, 5070, 5260, 5460, 5523, 5577, 5786, 5915, 6006, 6838, 7098, 7364, 7436, 7890, 8580, 8679, 9205, 9295, 10010, 10140, 10257, 11046, 11154, 11572, 11830, 12012, 13013, 13676, 14196, 14465, 15015, 15780, 17095, 17358, 17745, 18410, 18590, 20020, 20251, 20514, 22092, 22308, 23660, 23933, 26026, 27615, 27885, 28930, 30030, 34190, 34716, 35490, 36820, 37180, 37609, 39039, 40502, 41028, 43395, 44447, 47866, 51285, 52052, 55230, 55770, 57860, 60060, 60753, 65065, 68380, 70980, 71799, 75218, 78078, 81004, 86790, 88894, 95732, 101255, 102570, 110460, 111540, 112827, 119665, 121506, 130130, 133341, 143598, 150436, 156156, 173580, 177788, 188045, 195195, 202510, 205140, 222235, 225654, 239330, 243012, 260260, 263263, 266682, 287196, 303765, 311129, 358995, 376090, 390390, 405020, 444470, 451308, 478660, 488917, 526526, 533364, 564135, 607530, 622258, 666705, 717990, 752180, 780780, 789789, 888940, 933387, 977834, 1053052, 1128270, 1215060, 1244516, 1316315, 1333410, 1435980, 1466751, 1555645, 1579578, 1866774, 1955668, 2256540, 2444585, 2632630, 2666820, 2933502, 3111290, 3159156, 3422419, 3733548, 3948945, 4666935, 4889170, 5265260, 5867004, 6222580, 6844838, 7333755, 7897890, 9333870, 9778340, 10267257, 13689676, 14667510, 15795780, 17112095, 18667740, 20534514, 29335020, 34224190, 41069028, 51336285, 68448380, 102672570, 205345140]

約数ペア:

[(1, 205345140), (2, 102672570), (3, 68448380), (4, 51336285), (5, 41069028), (6, 34224190), (7, 29335020), (10, 20534514), (11, 18667740), (12, 17112095), (13, 15795780), (14, 14667510), (15, 13689676), (20, 10267257), (21, 9778340), (22, 9333870), (26, 7897890), (28, 7333755), (30, 6844838), (33, 6222580), (35, 5867004), (39, 5265260), (42, 4889170), (44, 4666935), (52, 3948945), (55, 3733548), (60, 3422419), (65, 3159156), (66, 3111290), (70, 2933502), (77, 2666820), (78, 2632630), (84, 2444585), (91, 2256540), (105, 1955668), (110, 1866774), (130, 1579578), (132, 1555645), (140, 1466751), (143, 1435980), (154, 1333410), (156, 1316315), (165, 1244516), (169, 1215060), (182, 1128270), (195, 1053052), (210, 977834), (220, 933387), (231, 888940), (260, 789789), (263, 780780), (273, 752180), (286, 717990), (308, 666705), (330, 622258), (338, 607530), (364, 564135), (385, 533364), (390, 526526), (420, 488917), (429, 478660), (455, 451308), (462, 444470), (507, 405020), (526, 390390), (546, 376090), (572, 358995), (660, 311129), (676, 303765), (715, 287196), (770, 266682), (780, 263263), (789, 260260), (845, 243012), (858, 239330), (910, 225654), (924, 222235), (1001, 205140), (1014, 202510), (1052, 195195), (1092, 188045), (1155, 177788), (1183, 173580), (1315, 156156), (1365, 150436), (1430, 143598), (1540, 133341), (1578, 130130), (1690, 121506), (1716, 119665), (1820, 112827), (1841, 111540), (1859, 110460), (2002, 102570), (2028, 101255), (2145, 95732), (2310, 88894), (2366, 86790), (2535, 81004), (2630, 78078), (2730, 75218), (2860, 71799), (2893, 70980), (3003, 68380), (3156, 65065), (3380, 60753), (3419, 60060), (3549, 57860), (3682, 55770), (3718, 55230), (3945, 52052), (4004, 51285), (4290, 47866), (4620, 44447), (4732, 43395), (5005, 41028), (5070, 40502), (5260, 39039), (5460, 37609), (5523, 37180), (5577, 36820), (5786, 35490), (5915, 34716), (6006, 34190), (6838, 30030), (7098, 28930), (7364, 27885), (7436, 27615), (7890, 26026), (8580, 23933), (8679, 23660), (9205, 22308), (9295, 22092), (10010, 20514), (10140, 20251), (10257, 20020), (11046, 18590), (11154, 18410), (11572, 17745), (11830, 17358), (12012, 17095), (13013, 15780), (13676, 15015), (14196, 14465)]