18350640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1$

素因数の和:368

約数の個数: 240

約数和(自身を含む): 77066496

約数和(自身を除く): 58715856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 331, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 662, 693, 720, 770, 792, 840, 880, 924, 990, 993, 1008, 1155, 1232, 1260, 1320, 1324, 1386, 1540, 1584, 1655, 1680, 1848, 1980, 1986, 2310, 2317, 2520, 2640, 2648, 2772, 2979, 3080, 3310, 3465, 3641, 3696, 3960, 3972, 4620, 4634, 4965, 5040, 5296, 5544, 5958, 6160, 6620, 6930, 6951, 7282, 7920, 7944, 9240, 9268, 9930, 10923, 11088, 11585, 11916, 13240, 13860, 13902, 14564, 14895, 15888, 18205, 18480, 18536, 19860, 20853, 21846, 23170, 23832, 25487, 26480, 27720, 27804, 29128, 29790, 32769, 34755, 36410, 37072, 39720, 41706, 43692, 46340, 47664, 50974, 54615, 55440, 55608, 58256, 59580, 65538, 69510, 72820, 76461, 79440, 83412, 87384, 92680, 101948, 104265, 109230, 111216, 119160, 127435, 131076, 139020, 145640, 152922, 163845, 166824, 174768, 185360, 203896, 208530, 218460, 229383, 238320, 254870, 262152, 278040, 291280, 305844, 327690, 333648, 382305, 407792, 417060, 436920, 458766, 509740, 524304, 556080, 611688, 655380, 764610, 834120, 873840, 917532, 1019480, 1146915, 1223376, 1310760, 1529220, 1668240, 1835064, 2038960, 2293830, 2621520, 3058440, 3670128, 4587660, 6116880, 9175320, 18350640]

約数ペア:

[(1, 18350640), (2, 9175320), (3, 6116880), (4, 4587660), (5, 3670128), (6, 3058440), (7, 2621520), (8, 2293830), (9, 2038960), (10, 1835064), (11, 1668240), (12, 1529220), (14, 1310760), (15, 1223376), (16, 1146915), (18, 1019480), (20, 917532), (21, 873840), (22, 834120), (24, 764610), (28, 655380), (30, 611688), (33, 556080), (35, 524304), (36, 509740), (40, 458766), (42, 436920), (44, 417060), (45, 407792), (48, 382305), (55, 333648), (56, 327690), (60, 305844), (63, 291280), (66, 278040), (70, 262152), (72, 254870), (77, 238320), (80, 229383), (84, 218460), (88, 208530), (90, 203896), (99, 185360), (105, 174768), (110, 166824), (112, 163845), (120, 152922), (126, 145640), (132, 139020), (140, 131076), (144, 127435), (154, 119160), (165, 111216), (168, 109230), (176, 104265), (180, 101948), (198, 92680), (210, 87384), (220, 83412), (231, 79440), (240, 76461), (252, 72820), (264, 69510), (280, 65538), (308, 59580), (315, 58256), (330, 55608), (331, 55440), (336, 54615), (360, 50974), (385, 47664), (396, 46340), (420, 43692), (440, 41706), (462, 39720), (495, 37072), (504, 36410), (528, 34755), (560, 32769), (616, 29790), (630, 29128), (660, 27804), (662, 27720), (693, 26480), (720, 25487), (770, 23832), (792, 23170), (840, 21846), (880, 20853), (924, 19860), (990, 18536), (993, 18480), (1008, 18205), (1155, 15888), (1232, 14895), (1260, 14564), (1320, 13902), (1324, 13860), (1386, 13240), (1540, 11916), (1584, 11585), (1655, 11088), (1680, 10923), (1848, 9930), (1980, 9268), (1986, 9240), (2310, 7944), (2317, 7920), (2520, 7282), (2640, 6951), (2648, 6930), (2772, 6620), (2979, 6160), (3080, 5958), (3310, 5544), (3465, 5296), (3641, 5040), (3696, 4965), (3960, 4634), (3972, 4620)]