31219560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 128

約数和(自身を含む): 105321600

約数和(自身を除く): 74102040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 137, 180, 211, 216, 270, 274, 360, 411, 422, 540, 548, 633, 685, 822, 844, 1055, 1080, 1096, 1233, 1266, 1370, 1644, 1688, 1899, 2055, 2110, 2466, 2532, 2740, 3165, 3288, 3699, 3798, 4110, 4220, 4932, 5064, 5480, 5697, 6165, 6330, 7398, 7596, 8220, 8440, 9495, 9864, 11394, 12330, 12660, 14796, 15192, 16440, 18495, 18990, 22788, 24660, 25320, 28485, 28907, 29592, 36990, 37980, 45576, 49320, 56970, 57814, 73980, 75960, 86721, 113940, 115628, 144535, 147960, 173442, 227880, 231256, 260163, 289070, 346884, 433605, 520326, 578140, 693768, 780489, 867210, 1040652, 1156280, 1300815, 1560978, 1734420, 2081304, 2601630, 3121956, 3468840, 3902445, 5203260, 6243912, 7804890, 10406520, 15609780, 31219560]

約数ペア:

[(1, 31219560), (2, 15609780), (3, 10406520), (4, 7804890), (5, 6243912), (6, 5203260), (8, 3902445), (9, 3468840), (10, 3121956), (12, 2601630), (15, 2081304), (18, 1734420), (20, 1560978), (24, 1300815), (27, 1156280), (30, 1040652), (36, 867210), (40, 780489), (45, 693768), (54, 578140), (60, 520326), (72, 433605), (90, 346884), (108, 289070), (120, 260163), (135, 231256), (137, 227880), (180, 173442), (211, 147960), (216, 144535), (270, 115628), (274, 113940), (360, 86721), (411, 75960), (422, 73980), (540, 57814), (548, 56970), (633, 49320), (685, 45576), (822, 37980), (844, 36990), (1055, 29592), (1080, 28907), (1096, 28485), (1233, 25320), (1266, 24660), (1370, 22788), (1644, 18990), (1688, 18495), (1899, 16440), (2055, 15192), (2110, 14796), (2466, 12660), (2532, 12330), (2740, 11394), (3165, 9864), (3288, 9495), (3699, 8440), (3798, 8220), (4110, 7596), (4220, 7398), (4932, 6330), (5064, 6165), (5480, 5697)]