64857420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4561}}^1$

素因数の和:4655

約数の個数: 72

約数和(自身を含む): 199268160

約数和(自身を除く): 134410740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4561, 4740, 7110, 9122, 13683, 14220, 18244, 22805, 27366, 41049, 45610, 54732, 68415, 82098, 91220, 136830, 164196, 205245, 273660, 360319, 410490, 720638, 820980, 1080957, 1441276, 1801595, 2161914, 3242871, 3603190, 4323828, 5404785, 6485742, 7206380, 10809570, 12971484, 16214355, 21619140, 32428710, 64857420]

約数ペア:

[(1, 64857420), (2, 32428710), (3, 21619140), (4, 16214355), (5, 12971484), (6, 10809570), (9, 7206380), (10, 6485742), (12, 5404785), (15, 4323828), (18, 3603190), (20, 3242871), (30, 2161914), (36, 1801595), (45, 1441276), (60, 1080957), (79, 820980), (90, 720638), (158, 410490), (180, 360319), (237, 273660), (316, 205245), (395, 164196), (474, 136830), (711, 91220), (790, 82098), (948, 68415), (1185, 54732), (1422, 45610), (1580, 41049), (2370, 27366), (2844, 22805), (3555, 18244), (4561, 14220), (4740, 13683), (7110, 9122)]