320072766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:633

約数の個数: 64

約数和(自身を含む): 705331200

約数和(自身を除く): 385258434

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 127, 158, 237, 254, 381, 409, 474, 762, 818, 1027, 1227, 1651, 2054, 2454, 3081, 3302, 4953, 5317, 6162, 9906, 10033, 10634, 15951, 20066, 30099, 31902, 32311, 51943, 60198, 64622, 96933, 103886, 130429, 155829, 193866, 260858, 311658, 391287, 420043, 675259, 782574, 840086, 1260129, 1350518, 2025777, 2520258, 4051554, 4103497, 8206994, 12310491, 24620982, 53345461, 106690922, 160036383, 320072766]

約数ペア:

[(1, 320072766), (2, 160036383), (3, 106690922), (6, 53345461), (13, 24620982), (26, 12310491), (39, 8206994), (78, 4103497), (79, 4051554), (127, 2520258), (158, 2025777), (237, 1350518), (254, 1260129), (381, 840086), (409, 782574), (474, 675259), (762, 420043), (818, 391287), (1027, 311658), (1227, 260858), (1651, 193866), (2054, 155829), (2454, 130429), (3081, 103886), (3302, 96933), (4953, 64622), (5317, 60198), (6162, 51943), (9906, 32311), (10033, 31902), (10634, 30099), (15951, 20066)]