81813200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:565

約数の個数: 120

約数和(自身を含む): 228794880

約数和(自身を除く): 146981680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 61, 70, 80, 100, 112, 122, 140, 175, 200, 244, 280, 305, 350, 400, 427, 479, 488, 560, 610, 700, 854, 958, 976, 1220, 1400, 1525, 1708, 1916, 2135, 2395, 2440, 2800, 3050, 3353, 3416, 3832, 4270, 4790, 4880, 6100, 6706, 6832, 7664, 8540, 9580, 10675, 11975, 12200, 13412, 16765, 17080, 19160, 21350, 23950, 24400, 26824, 29219, 33530, 34160, 38320, 42700, 47900, 53648, 58438, 67060, 83825, 85400, 95800, 116876, 134120, 146095, 167650, 170800, 191600, 204533, 233752, 268240, 292190, 335300, 409066, 467504, 584380, 670600, 730475, 818132, 1022665, 1168760, 1341200, 1460950, 1636264, 2045330, 2337520, 2921900, 3272528, 4090660, 5113325, 5843800, 8181320, 10226650, 11687600, 16362640, 20453300, 40906600, 81813200]

約数ペア:

[(1, 81813200), (2, 40906600), (4, 20453300), (5, 16362640), (7, 11687600), (8, 10226650), (10, 8181320), (14, 5843800), (16, 5113325), (20, 4090660), (25, 3272528), (28, 2921900), (35, 2337520), (40, 2045330), (50, 1636264), (56, 1460950), (61, 1341200), (70, 1168760), (80, 1022665), (100, 818132), (112, 730475), (122, 670600), (140, 584380), (175, 467504), (200, 409066), (244, 335300), (280, 292190), (305, 268240), (350, 233752), (400, 204533), (427, 191600), (479, 170800), (488, 167650), (560, 146095), (610, 134120), (700, 116876), (854, 95800), (958, 85400), (976, 83825), (1220, 67060), (1400, 58438), (1525, 53648), (1708, 47900), (1916, 42700), (2135, 38320), (2395, 34160), (2440, 33530), (2800, 29219), (3050, 26824), (3353, 24400), (3416, 23950), (3832, 21350), (4270, 19160), (4790, 17080), (4880, 16765), (6100, 13412), (6706, 12200), (6832, 11975), (7664, 10675), (8540, 9580)]