51407880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 160963200

約数和(自身を除く): 109555320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 59, 60, 106, 118, 120, 137, 159, 177, 212, 236, 265, 274, 295, 318, 354, 411, 424, 472, 530, 548, 590, 636, 685, 708, 795, 822, 885, 1060, 1096, 1180, 1272, 1370, 1416, 1590, 1644, 1770, 2055, 2120, 2360, 2740, 3127, 3180, 3288, 3540, 4110, 5480, 6254, 6360, 7080, 7261, 8083, 8220, 9381, 12508, 14522, 15635, 16166, 16440, 18762, 21783, 24249, 25016, 29044, 31270, 32332, 36305, 37524, 40415, 43566, 46905, 48498, 58088, 62540, 64664, 72610, 75048, 80830, 87132, 93810, 96996, 108915, 121245, 125080, 145220, 161660, 174264, 187620, 193992, 217830, 242490, 290440, 323320, 375240, 428399, 435660, 484980, 856798, 871320, 969960, 1285197, 1713596, 2141995, 2570394, 3427192, 4283990, 5140788, 6425985, 8567980, 10281576, 12851970, 17135960, 25703940, 51407880]

約数ペア:

[(1, 51407880), (2, 25703940), (3, 17135960), (4, 12851970), (5, 10281576), (6, 8567980), (8, 6425985), (10, 5140788), (12, 4283990), (15, 3427192), (20, 2570394), (24, 2141995), (30, 1713596), (40, 1285197), (53, 969960), (59, 871320), (60, 856798), (106, 484980), (118, 435660), (120, 428399), (137, 375240), (159, 323320), (177, 290440), (212, 242490), (236, 217830), (265, 193992), (274, 187620), (295, 174264), (318, 161660), (354, 145220), (411, 125080), (424, 121245), (472, 108915), (530, 96996), (548, 93810), (590, 87132), (636, 80830), (685, 75048), (708, 72610), (795, 64664), (822, 62540), (885, 58088), (1060, 48498), (1096, 46905), (1180, 43566), (1272, 40415), (1370, 37524), (1416, 36305), (1590, 32332), (1644, 31270), (1770, 29044), (2055, 25016), (2120, 24249), (2360, 21783), (2740, 18762), (3127, 16440), (3180, 16166), (3288, 15635), (3540, 14522), (4110, 12508), (5480, 9381), (6254, 8220), (6360, 8083), (7080, 7261)]