78532920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 264892680

約数和(自身を除く): 186359760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 227, 248, 279, 310, 360, 372, 454, 465, 558, 620, 681, 744, 908, 930, 961, 1116, 1135, 1240, 1362, 1395, 1816, 1860, 1922, 2043, 2232, 2270, 2724, 2790, 2883, 3405, 3720, 3844, 4086, 4540, 4805, 5448, 5580, 5766, 6810, 7037, 7688, 8172, 8649, 9080, 9610, 10215, 11160, 11532, 13620, 14074, 14415, 16344, 17298, 19220, 20430, 21111, 23064, 27240, 28148, 28830, 34596, 35185, 38440, 40860, 42222, 43245, 56296, 57660, 63333, 69192, 70370, 81720, 84444, 86490, 105555, 115320, 126666, 140740, 168888, 172980, 211110, 218147, 253332, 281480, 316665, 345960, 422220, 436294, 506664, 633330, 654441, 844440, 872588, 1090735, 1266660, 1308882, 1745176, 1963323, 2181470, 2533320, 2617764, 3272205, 3926646, 4362940, 5235528, 6544410, 7853292, 8725880, 9816615, 13088820, 15706584, 19633230, 26177640, 39266460, 78532920]

約数ペア:

[(1, 78532920), (2, 39266460), (3, 26177640), (4, 19633230), (5, 15706584), (6, 13088820), (8, 9816615), (9, 8725880), (10, 7853292), (12, 6544410), (15, 5235528), (18, 4362940), (20, 3926646), (24, 3272205), (30, 2617764), (31, 2533320), (36, 2181470), (40, 1963323), (45, 1745176), (60, 1308882), (62, 1266660), (72, 1090735), (90, 872588), (93, 844440), (120, 654441), (124, 633330), (155, 506664), (180, 436294), (186, 422220), (227, 345960), (248, 316665), (279, 281480), (310, 253332), (360, 218147), (372, 211110), (454, 172980), (465, 168888), (558, 140740), (620, 126666), (681, 115320), (744, 105555), (908, 86490), (930, 84444), (961, 81720), (1116, 70370), (1135, 69192), (1240, 63333), (1362, 57660), (1395, 56296), (1816, 43245), (1860, 42222), (1922, 40860), (2043, 38440), (2232, 35185), (2270, 34596), (2724, 28830), (2790, 28148), (2883, 27240), (3405, 23064), (3720, 21111), (3844, 20430), (4086, 19220), (4540, 17298), (4805, 16344), (5448, 14415), (5580, 14074), (5766, 13620), (6810, 11532), (7037, 11160), (7688, 10215), (8172, 9610), (8649, 9080)]