81122580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1951}}^1$

素因数の和:1987

約数の個数: 192

約数和(自身を含む): 314818560

約数和(自身を除く): 233695980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 330, 378, 385, 396, 420, 462, 495, 540, 594, 630, 660, 693, 756, 770, 924, 945, 990, 1155, 1188, 1260, 1386, 1485, 1540, 1890, 1951, 1980, 2079, 2310, 2772, 2970, 3465, 3780, 3902, 4158, 4620, 5853, 5940, 6930, 7804, 8316, 9755, 10395, 11706, 13657, 13860, 17559, 19510, 20790, 21461, 23412, 27314, 29265, 35118, 39020, 40971, 41580, 42922, 52677, 54628, 58530, 64383, 68285, 70236, 81942, 85844, 87795, 105354, 107305, 117060, 122913, 128766, 136570, 150227, 163884, 175590, 193149, 204855, 210708, 214610, 245826, 257532, 263385, 273140, 300454, 321915, 351180, 368739, 386298, 409710, 429220, 450681, 491652, 526770, 579447, 600908, 614565, 643830, 737478, 751135, 772596, 819420, 901362, 965745, 1053540, 1158894, 1229130, 1287660, 1352043, 1474956, 1502270, 1802724, 1843695, 1931490, 2253405, 2317788, 2458260, 2704086, 2897235, 3004540, 3687390, 3862980, 4056129, 4506810, 5408172, 5794470, 6760215, 7374780, 8112258, 9013620, 11588940, 13520430, 16224516, 20280645, 27040860, 40561290, 81122580]

約数ペア:

[(1, 81122580), (2, 40561290), (3, 27040860), (4, 20280645), (5, 16224516), (6, 13520430), (7, 11588940), (9, 9013620), (10, 8112258), (11, 7374780), (12, 6760215), (14, 5794470), (15, 5408172), (18, 4506810), (20, 4056129), (21, 3862980), (22, 3687390), (27, 3004540), (28, 2897235), (30, 2704086), (33, 2458260), (35, 2317788), (36, 2253405), (42, 1931490), (44, 1843695), (45, 1802724), (54, 1502270), (55, 1474956), (60, 1352043), (63, 1287660), (66, 1229130), (70, 1158894), (77, 1053540), (84, 965745), (90, 901362), (99, 819420), (105, 772596), (108, 751135), (110, 737478), (126, 643830), (132, 614565), (135, 600908), (140, 579447), (154, 526770), (165, 491652), (180, 450681), (189, 429220), (198, 409710), (210, 386298), (220, 368739), (231, 351180), (252, 321915), (270, 300454), (297, 273140), (308, 263385), (315, 257532), (330, 245826), (378, 214610), (385, 210708), (396, 204855), (420, 193149), (462, 175590), (495, 163884), (540, 150227), (594, 136570), (630, 128766), (660, 122913), (693, 117060), (756, 107305), (770, 105354), (924, 87795), (945, 85844), (990, 81942), (1155, 70236), (1188, 68285), (1260, 64383), (1386, 58530), (1485, 54628), (1540, 52677), (1890, 42922), (1951, 41580), (1980, 40971), (2079, 39020), (2310, 35118), (2772, 29265), (2970, 27314), (3465, 23412), (3780, 21461), (3902, 20790), (4158, 19510), (4620, 17559), (5853, 13860), (5940, 13657), (6930, 11706), (7804, 10395), (8316, 9755)]