1252440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{71}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 4801680

約数和(自身を除く): 3549240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 71, 72, 84, 90, 98, 105, 120, 126, 140, 142, 147, 168, 180, 196, 210, 213, 245, 252, 280, 284, 294, 315, 355, 360, 392, 420, 426, 441, 490, 497, 504, 568, 588, 630, 639, 710, 735, 840, 852, 882, 980, 994, 1065, 1176, 1260, 1278, 1420, 1470, 1491, 1704, 1764, 1960, 1988, 2130, 2205, 2485, 2520, 2556, 2840, 2940, 2982, 3195, 3479, 3528, 3976, 4260, 4410, 4473, 4970, 5112, 5880, 5964, 6390, 6958, 7455, 8520, 8820, 8946, 9940, 10437, 11928, 12780, 13916, 14910, 17395, 17640, 17892, 19880, 20874, 22365, 25560, 27832, 29820, 31311, 34790, 35784, 41748, 44730, 52185, 59640, 62622, 69580, 83496, 89460, 104370, 125244, 139160, 156555, 178920, 208740, 250488, 313110, 417480, 626220, 1252440]

約数ペア:

[(1, 1252440), (2, 626220), (3, 417480), (4, 313110), (5, 250488), (6, 208740), (7, 178920), (8, 156555), (9, 139160), (10, 125244), (12, 104370), (14, 89460), (15, 83496), (18, 69580), (20, 62622), (21, 59640), (24, 52185), (28, 44730), (30, 41748), (35, 35784), (36, 34790), (40, 31311), (42, 29820), (45, 27832), (49, 25560), (56, 22365), (60, 20874), (63, 19880), (70, 17892), (71, 17640), (72, 17395), (84, 14910), (90, 13916), (98, 12780), (105, 11928), (120, 10437), (126, 9940), (140, 8946), (142, 8820), (147, 8520), (168, 7455), (180, 6958), (196, 6390), (210, 5964), (213, 5880), (245, 5112), (252, 4970), (280, 4473), (284, 4410), (294, 4260), (315, 3976), (355, 3528), (360, 3479), (392, 3195), (420, 2982), (426, 2940), (441, 2840), (490, 2556), (497, 2520), (504, 2485), (568, 2205), (588, 2130), (630, 1988), (639, 1960), (710, 1764), (735, 1704), (840, 1491), (852, 1470), (882, 1420), (980, 1278), (994, 1260), (1065, 1176)]