1909618440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1\times {\mathrm{367}}^1$

素因数の和:843

約数の個数: 128

約数和(自身を含む): 5805803520

約数和(自身を除く): 3896185080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 331, 367, 393, 524, 655, 662, 734, 786, 993, 1048, 1101, 1310, 1324, 1468, 1572, 1655, 1835, 1965, 1986, 2202, 2620, 2648, 2936, 3144, 3310, 3670, 3930, 3972, 4404, 4965, 5240, 5505, 6620, 7340, 7860, 7944, 8808, 9930, 11010, 13240, 14680, 15720, 19860, 22020, 39720, 43361, 44040, 48077, 86722, 96154, 121477, 130083, 144231, 173444, 192308, 216805, 240385, 242954, 260166, 288462, 346888, 364431, 384616, 433610, 480770, 485908, 520332, 576924, 607385, 650415, 721155, 728862, 867220, 961540, 971816, 1040664, 1153848, 1214770, 1300830, 1442310, 1457724, 1734440, 1822155, 1923080, 2429540, 2601660, 2884620, 2915448, 3644310, 4859080, 5203320, 5769240, 7288620, 14577240, 15913487, 31826974, 47740461, 63653948, 79567435, 95480922, 127307896, 159134870, 190961844, 238702305, 318269740, 381923688, 477404610, 636539480, 954809220, 1909618440]

約数ペア:

[(1, 1909618440), (2, 954809220), (3, 636539480), (4, 477404610), (5, 381923688), (6, 318269740), (8, 238702305), (10, 190961844), (12, 159134870), (15, 127307896), (20, 95480922), (24, 79567435), (30, 63653948), (40, 47740461), (60, 31826974), (120, 15913487), (131, 14577240), (262, 7288620), (331, 5769240), (367, 5203320), (393, 4859080), (524, 3644310), (655, 2915448), (662, 2884620), (734, 2601660), (786, 2429540), (993, 1923080), (1048, 1822155), (1101, 1734440), (1310, 1457724), (1324, 1442310), (1468, 1300830), (1572, 1214770), (1655, 1153848), (1835, 1040664), (1965, 971816), (1986, 961540), (2202, 867220), (2620, 728862), (2648, 721155), (2936, 650415), (3144, 607385), (3310, 576924), (3670, 520332), (3930, 485908), (3972, 480770), (4404, 433610), (4965, 384616), (5240, 364431), (5505, 346888), (6620, 288462), (7340, 260166), (7860, 242954), (7944, 240385), (8808, 216805), (9930, 192308), (11010, 173444), (13240, 144231), (14680, 130083), (15720, 121477), (19860, 96154), (22020, 86722), (39720, 48077), (43361, 44040)]