213997440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:740

約数の個数: 128

約数和(自身を含む): 686517120

約数和(自身を除く): 472519680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 227, 240, 320, 384, 454, 480, 491, 640, 681, 908, 960, 982, 1135, 1362, 1473, 1816, 1920, 1964, 2270, 2455, 2724, 2946, 3405, 3632, 3928, 4540, 4910, 5448, 5892, 6810, 7264, 7365, 7856, 9080, 9820, 10896, 11784, 13620, 14528, 14730, 15712, 18160, 19640, 21792, 23568, 27240, 29056, 29460, 31424, 36320, 39280, 43584, 47136, 54480, 58920, 62848, 72640, 78560, 87168, 94272, 108960, 111457, 117840, 145280, 157120, 188544, 217920, 222914, 235680, 314240, 334371, 435840, 445828, 471360, 557285, 668742, 891656, 942720, 1114570, 1337484, 1671855, 1783312, 2229140, 2674968, 3343710, 3566624, 4458280, 5349936, 6687420, 7133248, 8916560, 10699872, 13374840, 14266496, 17833120, 21399744, 26749680, 35666240, 42799488, 53499360, 71332480, 106998720, 213997440]

約数ペア:

[(1, 213997440), (2, 106998720), (3, 71332480), (4, 53499360), (5, 42799488), (6, 35666240), (8, 26749680), (10, 21399744), (12, 17833120), (15, 14266496), (16, 13374840), (20, 10699872), (24, 8916560), (30, 7133248), (32, 6687420), (40, 5349936), (48, 4458280), (60, 3566624), (64, 3343710), (80, 2674968), (96, 2229140), (120, 1783312), (128, 1671855), (160, 1337484), (192, 1114570), (227, 942720), (240, 891656), (320, 668742), (384, 557285), (454, 471360), (480, 445828), (491, 435840), (640, 334371), (681, 314240), (908, 235680), (960, 222914), (982, 217920), (1135, 188544), (1362, 157120), (1473, 145280), (1816, 117840), (1920, 111457), (1964, 108960), (2270, 94272), (2455, 87168), (2724, 78560), (2946, 72640), (3405, 62848), (3632, 58920), (3928, 54480), (4540, 47136), (4910, 43584), (5448, 39280), (5892, 36320), (6810, 31424), (7264, 29460), (7365, 29056), (7856, 27240), (9080, 23568), (9820, 21792), (10896, 19640), (11784, 18160), (13620, 15712), (14528, 14730)]