278146320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:553

約数の個数: 160

約数和(自身を含む): 915358080

約数和(自身を除く): 637211760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 181, 190, 228, 240, 285, 304, 337, 362, 380, 456, 543, 570, 674, 724, 760, 905, 912, 1011, 1086, 1140, 1348, 1448, 1520, 1685, 1810, 2022, 2172, 2280, 2696, 2715, 2896, 3370, 3439, 3620, 4044, 4344, 4560, 5055, 5392, 5430, 6403, 6740, 6878, 7240, 8088, 8688, 10110, 10317, 10860, 12806, 13480, 13756, 14480, 16176, 17195, 19209, 20220, 20634, 21720, 25612, 26960, 27512, 32015, 34390, 38418, 40440, 41268, 43440, 51224, 51585, 55024, 60997, 64030, 68780, 76836, 80880, 82536, 96045, 102448, 103170, 121994, 128060, 137560, 153672, 165072, 182991, 192090, 206340, 243988, 256120, 275120, 304985, 307344, 365982, 384180, 412680, 487976, 512240, 609970, 731964, 768360, 825360, 914955, 975952, 1158943, 1219940, 1463928, 1536720, 1829910, 2317886, 2439880, 2927856, 3476829, 3659820, 4635772, 4879760, 5794715, 6953658, 7319640, 9271544, 11589430, 13907316, 14639280, 17384145, 18543088, 23178860, 27814632, 34768290, 46357720, 55629264, 69536580, 92715440, 139073160, 278146320]

約数ペア:

[(1, 278146320), (2, 139073160), (3, 92715440), (4, 69536580), (5, 55629264), (6, 46357720), (8, 34768290), (10, 27814632), (12, 23178860), (15, 18543088), (16, 17384145), (19, 14639280), (20, 13907316), (24, 11589430), (30, 9271544), (38, 7319640), (40, 6953658), (48, 5794715), (57, 4879760), (60, 4635772), (76, 3659820), (80, 3476829), (95, 2927856), (114, 2439880), (120, 2317886), (152, 1829910), (181, 1536720), (190, 1463928), (228, 1219940), (240, 1158943), (285, 975952), (304, 914955), (337, 825360), (362, 768360), (380, 731964), (456, 609970), (543, 512240), (570, 487976), (674, 412680), (724, 384180), (760, 365982), (905, 307344), (912, 304985), (1011, 275120), (1086, 256120), (1140, 243988), (1348, 206340), (1448, 192090), (1520, 182991), (1685, 165072), (1810, 153672), (2022, 137560), (2172, 128060), (2280, 121994), (2696, 103170), (2715, 102448), (2896, 96045), (3370, 82536), (3439, 80880), (3620, 76836), (4044, 68780), (4344, 64030), (4560, 60997), (5055, 55024), (5392, 51585), (5430, 51224), (6403, 43440), (6740, 41268), (6878, 40440), (7240, 38418), (8088, 34390), (8688, 32015), (10110, 27512), (10317, 26960), (10860, 25612), (12806, 21720), (13480, 20634), (13756, 20220), (14480, 19209), (16176, 17195)]