158871440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 160

約数和(自身を含む): 460803840

約数和(自身を除く): 301932400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 139, 140, 157, 182, 208, 260, 278, 280, 314, 364, 455, 520, 556, 560, 628, 695, 728, 785, 910, 973, 1040, 1099, 1112, 1256, 1390, 1456, 1570, 1807, 1820, 1946, 2041, 2198, 2224, 2512, 2780, 3140, 3614, 3640, 3892, 4082, 4396, 4865, 5495, 5560, 6280, 7228, 7280, 7784, 8164, 8792, 9035, 9730, 10205, 10990, 11120, 12560, 12649, 14287, 14456, 15568, 16328, 17584, 18070, 19460, 20410, 21823, 21980, 25298, 28574, 28912, 32656, 36140, 38920, 40820, 43646, 43960, 50596, 57148, 63245, 71435, 72280, 77840, 81640, 87292, 87920, 101192, 109115, 114296, 126490, 142870, 144560, 152761, 163280, 174584, 202384, 218230, 228592, 252980, 283699, 285740, 305522, 349168, 436460, 505960, 567398, 571480, 611044, 763805, 872920, 1011920, 1134796, 1142960, 1222088, 1418495, 1527610, 1745840, 1985893, 2269592, 2444176, 2836990, 3055220, 3971786, 4539184, 5673980, 6110440, 7943572, 9929465, 11347960, 12220880, 15887144, 19858930, 22695920, 31774288, 39717860, 79435720, 158871440]

約数ペア:

[(1, 158871440), (2, 79435720), (4, 39717860), (5, 31774288), (7, 22695920), (8, 19858930), (10, 15887144), (13, 12220880), (14, 11347960), (16, 9929465), (20, 7943572), (26, 6110440), (28, 5673980), (35, 4539184), (40, 3971786), (52, 3055220), (56, 2836990), (65, 2444176), (70, 2269592), (80, 1985893), (91, 1745840), (104, 1527610), (112, 1418495), (130, 1222088), (139, 1142960), (140, 1134796), (157, 1011920), (182, 872920), (208, 763805), (260, 611044), (278, 571480), (280, 567398), (314, 505960), (364, 436460), (455, 349168), (520, 305522), (556, 285740), (560, 283699), (628, 252980), (695, 228592), (728, 218230), (785, 202384), (910, 174584), (973, 163280), (1040, 152761), (1099, 144560), (1112, 142870), (1256, 126490), (1390, 114296), (1456, 109115), (1570, 101192), (1807, 87920), (1820, 87292), (1946, 81640), (2041, 77840), (2198, 72280), (2224, 71435), (2512, 63245), (2780, 57148), (3140, 50596), (3614, 43960), (3640, 43646), (3892, 40820), (4082, 38920), (4396, 36140), (4865, 32656), (5495, 28912), (5560, 28574), (6280, 25298), (7228, 21980), (7280, 21823), (7784, 20410), (8164, 19460), (8792, 18070), (9035, 17584), (9730, 16328), (10205, 15568), (10990, 14456), (11120, 14287), (12560, 12649)]