258464640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19231}}^1$

素因数の和:19260

約数の個数: 128

約数和(自身を含む): 941598720

約数和(自身を除く): 683134080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 19231, 38462, 57693, 76924, 96155, 115386, 134617, 153848, 192310, 230772, 269234, 288465, 307696, 384620, 403851, 461544, 538468, 576930, 615392, 673085, 769240, 807702, 923088, 1076936, 1153860, 1230784, 1346170, 1538480, 1615404, 1846176, 2019255, 2153872, 2307720, 2461568, 2692340, 3076960, 3230808, 3692352, 4038510, 4307744, 4615440, 5384680, 6153920, 6461616, 7384704, 8077020, 8615488, 9230880, 10769360, 12307840, 12923232, 16154040, 17230976, 18461760, 21538720, 25846464, 32308080, 36923520, 43077440, 51692928, 64616160, 86154880, 129232320, 258464640]

約数ペア:

[(1, 258464640), (2, 129232320), (3, 86154880), (4, 64616160), (5, 51692928), (6, 43077440), (7, 36923520), (8, 32308080), (10, 25846464), (12, 21538720), (14, 18461760), (15, 17230976), (16, 16154040), (20, 12923232), (21, 12307840), (24, 10769360), (28, 9230880), (30, 8615488), (32, 8077020), (35, 7384704), (40, 6461616), (42, 6153920), (48, 5384680), (56, 4615440), (60, 4307744), (64, 4038510), (70, 3692352), (80, 3230808), (84, 3076960), (96, 2692340), (105, 2461568), (112, 2307720), (120, 2153872), (128, 2019255), (140, 1846176), (160, 1615404), (168, 1538480), (192, 1346170), (210, 1230784), (224, 1153860), (240, 1076936), (280, 923088), (320, 807702), (336, 769240), (384, 673085), (420, 615392), (448, 576930), (480, 538468), (560, 461544), (640, 403851), (672, 384620), (840, 307696), (896, 288465), (960, 269234), (1120, 230772), (1344, 192310), (1680, 153848), (1920, 134617), (2240, 115386), (2688, 96155), (3360, 76924), (4480, 57693), (6720, 38462), (13440, 19231)]