30915885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 69672960

約数和(自身を除く): 38757075

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 29, 33, 35, 39, 55, 65, 71, 77, 87, 91, 105, 143, 145, 165, 195, 203, 213, 231, 273, 319, 355, 377, 385, 429, 435, 455, 497, 609, 715, 781, 923, 957, 1001, 1015, 1065, 1131, 1155, 1365, 1491, 1595, 1885, 2059, 2145, 2233, 2343, 2485, 2639, 2769, 3003, 3045, 3905, 4147, 4615, 4785, 5005, 5467, 5655, 6177, 6461, 6699, 7455, 7917, 10153, 10295, 11165, 11715, 12441, 13195, 13845, 14413, 15015, 16401, 19383, 20735, 22649, 26767, 27335, 29029, 30459, 30885, 32305, 33495, 39585, 43239, 50765, 62205, 67947, 71071, 72065, 80301, 82005, 87087, 96915, 113245, 133835, 145145, 152295, 158543, 187369, 213213, 216195, 294437, 339735, 355355, 401505, 435435, 475629, 562107, 792715, 883311, 936845, 1066065, 1472185, 2061059, 2378145, 2810535, 4416555, 6183177, 10305295, 30915885]

約数ペア:

[(1, 30915885), (3, 10305295), (5, 6183177), (7, 4416555), (11, 2810535), (13, 2378145), (15, 2061059), (21, 1472185), (29, 1066065), (33, 936845), (35, 883311), (39, 792715), (55, 562107), (65, 475629), (71, 435435), (77, 401505), (87, 355355), (91, 339735), (105, 294437), (143, 216195), (145, 213213), (165, 187369), (195, 158543), (203, 152295), (213, 145145), (231, 133835), (273, 113245), (319, 96915), (355, 87087), (377, 82005), (385, 80301), (429, 72065), (435, 71071), (455, 67947), (497, 62205), (609, 50765), (715, 43239), (781, 39585), (923, 33495), (957, 32305), (1001, 30885), (1015, 30459), (1065, 29029), (1131, 27335), (1155, 26767), (1365, 22649), (1491, 20735), (1595, 19383), (1885, 16401), (2059, 15015), (2145, 14413), (2233, 13845), (2343, 13195), (2485, 12441), (2639, 11715), (2769, 11165), (3003, 10295), (3045, 10153), (3905, 7917), (4147, 7455), (4615, 6699), (4785, 6461), (5005, 6177), (5467, 5655)]