81597780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:292

約数の個数: 240

約数和(自身を含む): 295162560

約数和(自身を除く): 213564780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 81, 90, 95, 99, 108, 110, 114, 132, 135, 162, 165, 171, 180, 190, 198, 209, 220, 228, 241, 270, 285, 297, 324, 330, 342, 380, 396, 405, 418, 482, 495, 513, 540, 570, 594, 627, 660, 684, 723, 810, 836, 855, 891, 964, 990, 1026, 1045, 1140, 1188, 1205, 1254, 1446, 1485, 1539, 1620, 1710, 1782, 1881, 1980, 2052, 2090, 2169, 2410, 2508, 2565, 2651, 2892, 2970, 3078, 3135, 3420, 3564, 3615, 3762, 4180, 4338, 4455, 4579, 4820, 5130, 5302, 5643, 5940, 6156, 6270, 6507, 7230, 7524, 7695, 7953, 8676, 8910, 9158, 9405, 10260, 10604, 10845, 11286, 12540, 13014, 13255, 13737, 14460, 15390, 15906, 16929, 17820, 18316, 18810, 19521, 21690, 22572, 22895, 23859, 26028, 26510, 27474, 28215, 30780, 31812, 32535, 33858, 37620, 39042, 39765, 41211, 43380, 45790, 47718, 50369, 53020, 54948, 56430, 65070, 67716, 68685, 71577, 78084, 79530, 82422, 84645, 91580, 95436, 97605, 100738, 112860, 119295, 123633, 130140, 137370, 143154, 151107, 159060, 164844, 169290, 195210, 201476, 206055, 214731, 238590, 247266, 251845, 274740, 286308, 302214, 338580, 357885, 370899, 390420, 412110, 429462, 453321, 477180, 494532, 503690, 604428, 618165, 715770, 741798, 755535, 824220, 858924, 906642, 1007380, 1073655, 1236330, 1359963, 1431540, 1483596, 1511070, 1813284, 1854495, 2147310, 2266605, 2472660, 2719926, 3022140, 3708990, 4079889, 4294620, 4533210, 5439852, 6799815, 7417980, 8159778, 9066420, 13599630, 16319556, 20399445, 27199260, 40798890, 81597780]

約数ペア:

[(1, 81597780), (2, 40798890), (3, 27199260), (4, 20399445), (5, 16319556), (6, 13599630), (9, 9066420), (10, 8159778), (11, 7417980), (12, 6799815), (15, 5439852), (18, 4533210), (19, 4294620), (20, 4079889), (22, 3708990), (27, 3022140), (30, 2719926), (33, 2472660), (36, 2266605), (38, 2147310), (44, 1854495), (45, 1813284), (54, 1511070), (55, 1483596), (57, 1431540), (60, 1359963), (66, 1236330), (76, 1073655), (81, 1007380), (90, 906642), (95, 858924), (99, 824220), (108, 755535), (110, 741798), (114, 715770), (132, 618165), (135, 604428), (162, 503690), (165, 494532), (171, 477180), (180, 453321), (190, 429462), (198, 412110), (209, 390420), (220, 370899), (228, 357885), (241, 338580), (270, 302214), (285, 286308), (297, 274740), (324, 251845), (330, 247266), (342, 238590), (380, 214731), (396, 206055), (405, 201476), (418, 195210), (482, 169290), (495, 164844), (513, 159060), (540, 151107), (570, 143154), (594, 137370), (627, 130140), (660, 123633), (684, 119295), (723, 112860), (810, 100738), (836, 97605), (855, 95436), (891, 91580), (964, 84645), (990, 82422), (1026, 79530), (1045, 78084), (1140, 71577), (1188, 68685), (1205, 67716), (1254, 65070), (1446, 56430), (1485, 54948), (1539, 53020), (1620, 50369), (1710, 47718), (1782, 45790), (1881, 43380), (1980, 41211), (2052, 39765), (2090, 39042), (2169, 37620), (2410, 33858), (2508, 32535), (2565, 31812), (2651, 30780), (2892, 28215), (2970, 27474), (3078, 26510), (3135, 26028), (3420, 23859), (3564, 22895), (3615, 22572), (3762, 21690), (4180, 19521), (4338, 18810), (4455, 18316), (4579, 17820), (4820, 16929), (5130, 15906), (5302, 15390), (5643, 14460), (5940, 13737), (6156, 13255), (6270, 13014), (6507, 12540), (7230, 11286), (7524, 10845), (7695, 10604), (7953, 10260), (8676, 9405), (8910, 9158)]