61991040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 128

約数和(自身を含む): 200491200

約数和(自身を除く): 138500160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 192, 240, 249, 320, 332, 384, 389, 415, 480, 498, 640, 664, 778, 830, 960, 996, 1167, 1245, 1328, 1556, 1660, 1920, 1945, 1992, 2334, 2490, 2656, 3112, 3320, 3890, 3984, 4668, 4980, 5312, 5835, 6224, 6640, 7780, 7968, 9336, 9960, 10624, 11670, 12448, 13280, 15560, 15936, 18672, 19920, 23340, 24896, 26560, 31120, 31872, 32287, 37344, 39840, 46680, 49792, 53120, 62240, 64574, 74688, 79680, 93360, 96861, 124480, 129148, 149376, 159360, 161435, 186720, 193722, 248960, 258296, 322870, 373440, 387444, 484305, 516592, 645740, 746880, 774888, 968610, 1033184, 1291480, 1549776, 1937220, 2066368, 2582960, 3099552, 3874440, 4132736, 5165920, 6199104, 7748880, 10331840, 12398208, 15497760, 20663680, 30995520, 61991040]

約数ペア:

[(1, 61991040), (2, 30995520), (3, 20663680), (4, 15497760), (5, 12398208), (6, 10331840), (8, 7748880), (10, 6199104), (12, 5165920), (15, 4132736), (16, 3874440), (20, 3099552), (24, 2582960), (30, 2066368), (32, 1937220), (40, 1549776), (48, 1291480), (60, 1033184), (64, 968610), (80, 774888), (83, 746880), (96, 645740), (120, 516592), (128, 484305), (160, 387444), (166, 373440), (192, 322870), (240, 258296), (249, 248960), (320, 193722), (332, 186720), (384, 161435), (389, 159360), (415, 149376), (480, 129148), (498, 124480), (640, 96861), (664, 93360), (778, 79680), (830, 74688), (960, 64574), (996, 62240), (1167, 53120), (1245, 49792), (1328, 46680), (1556, 39840), (1660, 37344), (1920, 32287), (1945, 31872), (1992, 31120), (2334, 26560), (2490, 24896), (2656, 23340), (3112, 19920), (3320, 18672), (3890, 15936), (3984, 15560), (4668, 13280), (4980, 12448), (5312, 11670), (5835, 10624), (6224, 9960), (6640, 9336), (7780, 7968)]