81147290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 193052160

約数和(自身を除く): 111904870

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 37, 38, 70, 74, 85, 95, 97, 119, 133, 170, 185, 190, 194, 238, 259, 266, 323, 370, 485, 518, 595, 629, 646, 665, 679, 703, 970, 1190, 1258, 1295, 1330, 1358, 1406, 1615, 1649, 1843, 2261, 2590, 3145, 3230, 3298, 3395, 3515, 3589, 3686, 4403, 4522, 4921, 6290, 6790, 7030, 7178, 8245, 8806, 9215, 9842, 11305, 11543, 11951, 12901, 16490, 17945, 18430, 22015, 22610, 23086, 23902, 24605, 25123, 25802, 31331, 35890, 44030, 49210, 50246, 57715, 59755, 61013, 62662, 64505, 68191, 83657, 115430, 119510, 122026, 125615, 129010, 136382, 156655, 167314, 219317, 251230, 305065, 313310, 340955, 418285, 427091, 438634, 477337, 610130, 681910, 836570, 854182, 954674, 1096585, 1159247, 2135455, 2193170, 2318494, 2386685, 4270910, 4773370, 5796235, 8114729, 11592470, 16229458, 40573645, 81147290]

約数ペア:

[(1, 81147290), (2, 40573645), (5, 16229458), (7, 11592470), (10, 8114729), (14, 5796235), (17, 4773370), (19, 4270910), (34, 2386685), (35, 2318494), (37, 2193170), (38, 2135455), (70, 1159247), (74, 1096585), (85, 954674), (95, 854182), (97, 836570), (119, 681910), (133, 610130), (170, 477337), (185, 438634), (190, 427091), (194, 418285), (238, 340955), (259, 313310), (266, 305065), (323, 251230), (370, 219317), (485, 167314), (518, 156655), (595, 136382), (629, 129010), (646, 125615), (665, 122026), (679, 119510), (703, 115430), (970, 83657), (1190, 68191), (1258, 64505), (1295, 62662), (1330, 61013), (1358, 59755), (1406, 57715), (1615, 50246), (1649, 49210), (1843, 44030), (2261, 35890), (2590, 31331), (3145, 25802), (3230, 25123), (3298, 24605), (3395, 23902), (3515, 23086), (3589, 22610), (3686, 22015), (4403, 18430), (4522, 17945), (4921, 16490), (6290, 12901), (6790, 11951), (7030, 11543), (7178, 11305), (8245, 9842), (8806, 9215)]