261558360

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{383}}^1$

素因数の和:678

約数の個数: 192

約数和(自身を含む): 977633280

約数和(自身を除く): 716074920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 271, 280, 315, 360, 383, 420, 504, 542, 630, 766, 813, 840, 1084, 1149, 1260, 1355, 1532, 1626, 1897, 1915, 2168, 2298, 2439, 2520, 2681, 2710, 3064, 3252, 3447, 3794, 3830, 4065, 4596, 4878, 5362, 5420, 5691, 5745, 6504, 6894, 7588, 7660, 8043, 8130, 9192, 9485, 9756, 10724, 10840, 11382, 11490, 12195, 13405, 13788, 15176, 15320, 16086, 16260, 17073, 17235, 18970, 19512, 21448, 22764, 22980, 24129, 24390, 26810, 27576, 28455, 32172, 32520, 34146, 34470, 37940, 40215, 45528, 45960, 48258, 48780, 53620, 56910, 64344, 68292, 68940, 75880, 80430, 85365, 96516, 97560, 103793, 107240, 113820, 120645, 136584, 137880, 160860, 170730, 193032, 207586, 227640, 241290, 311379, 321720, 341460, 415172, 482580, 518965, 622758, 682920, 726551, 830344, 934137, 965160, 1037930, 1245516, 1453102, 1556895, 1868274, 2075860, 2179653, 2491032, 2906204, 3113790, 3632755, 3736548, 4151720, 4359306, 4670685, 5812408, 6227580, 6538959, 7265510, 7473096, 8718612, 9341370, 10898265, 12455160, 13077918, 14531020, 17437224, 18682740, 21796530, 26155836, 29062040, 32694795, 37365480, 43593060, 52311672, 65389590, 87186120, 130779180, 261558360]

約数ペア:

[(1, 261558360), (2, 130779180), (3, 87186120), (4, 65389590), (5, 52311672), (6, 43593060), (7, 37365480), (8, 32694795), (9, 29062040), (10, 26155836), (12, 21796530), (14, 18682740), (15, 17437224), (18, 14531020), (20, 13077918), (21, 12455160), (24, 10898265), (28, 9341370), (30, 8718612), (35, 7473096), (36, 7265510), (40, 6538959), (42, 6227580), (45, 5812408), (56, 4670685), (60, 4359306), (63, 4151720), (70, 3736548), (72, 3632755), (84, 3113790), (90, 2906204), (105, 2491032), (120, 2179653), (126, 2075860), (140, 1868274), (168, 1556895), (180, 1453102), (210, 1245516), (252, 1037930), (271, 965160), (280, 934137), (315, 830344), (360, 726551), (383, 682920), (420, 622758), (504, 518965), (542, 482580), (630, 415172), (766, 341460), (813, 321720), (840, 311379), (1084, 241290), (1149, 227640), (1260, 207586), (1355, 193032), (1532, 170730), (1626, 160860), (1897, 137880), (1915, 136584), (2168, 120645), (2298, 113820), (2439, 107240), (2520, 103793), (2681, 97560), (2710, 96516), (3064, 85365), (3252, 80430), (3447, 75880), (3794, 68940), (3830, 68292), (4065, 64344), (4596, 56910), (4878, 53620), (5362, 48780), (5420, 48258), (5691, 45960), (5745, 45528), (6504, 40215), (6894, 37940), (7588, 34470), (7660, 34146), (8043, 32520), (8130, 32172), (9192, 28455), (9485, 27576), (9756, 26810), (10724, 24390), (10840, 24129), (11382, 22980), (11490, 22764), (12195, 21448), (13405, 19512), (13788, 18970), (15176, 17235), (15320, 17073), (16086, 16260)]