31061200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 81031520

約数和(自身を除く): 49970320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 61, 67, 76, 80, 95, 100, 122, 134, 152, 190, 200, 244, 268, 304, 305, 335, 380, 400, 475, 488, 536, 610, 670, 760, 950, 976, 1072, 1159, 1220, 1273, 1340, 1520, 1525, 1675, 1900, 2318, 2440, 2546, 2680, 3050, 3350, 3800, 4087, 4636, 4880, 5092, 5360, 5795, 6100, 6365, 6700, 7600, 8174, 9272, 10184, 11590, 12200, 12730, 13400, 16348, 18544, 20368, 20435, 23180, 24400, 25460, 26800, 28975, 31825, 32696, 40870, 46360, 50920, 57950, 63650, 65392, 77653, 81740, 92720, 101840, 102175, 115900, 127300, 155306, 163480, 204350, 231800, 254600, 310612, 326960, 388265, 408700, 463600, 509200, 621224, 776530, 817400, 1242448, 1553060, 1634800, 1941325, 3106120, 3882650, 6212240, 7765300, 15530600, 31061200]

約数ペア:

[(1, 31061200), (2, 15530600), (4, 7765300), (5, 6212240), (8, 3882650), (10, 3106120), (16, 1941325), (19, 1634800), (20, 1553060), (25, 1242448), (38, 817400), (40, 776530), (50, 621224), (61, 509200), (67, 463600), (76, 408700), (80, 388265), (95, 326960), (100, 310612), (122, 254600), (134, 231800), (152, 204350), (190, 163480), (200, 155306), (244, 127300), (268, 115900), (304, 102175), (305, 101840), (335, 92720), (380, 81740), (400, 77653), (475, 65392), (488, 63650), (536, 57950), (610, 50920), (670, 46360), (760, 40870), (950, 32696), (976, 31825), (1072, 28975), (1159, 26800), (1220, 25460), (1273, 24400), (1340, 23180), (1520, 20435), (1525, 20368), (1675, 18544), (1900, 16348), (2318, 13400), (2440, 12730), (2546, 12200), (2680, 11590), (3050, 10184), (3350, 9272), (3800, 8174), (4087, 7600), (4636, 6700), (4880, 6365), (5092, 6100), (5360, 5795)]