247720480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1711

約数の個数: 144

約数和(自身を含む): 717050880

約数和(自身を除く): 469330400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1520, 1568, 1663, 1862, 1960, 2128, 2660, 3040, 3326, 3724, 3920, 4256, 4655, 5320, 6652, 7448, 7840, 8315, 9310, 10640, 11641, 13304, 14896, 16630, 18620, 21280, 23282, 26608, 29792, 31597, 33260, 37240, 46564, 53216, 58205, 63194, 66520, 74480, 81487, 93128, 116410, 126388, 133040, 148960, 157985, 162974, 186256, 221179, 232820, 252776, 266080, 315970, 325948, 372512, 407435, 442358, 465640, 505552, 631940, 651896, 814870, 884716, 931280, 1011104, 1105895, 1263880, 1303792, 1548253, 1629740, 1769432, 1862560, 2211790, 2527760, 2607584, 3096506, 3259480, 3538864, 4423580, 5055520, 6193012, 6518960, 7077728, 7741265, 8847160, 12386024, 13037920, 15482530, 17694320, 24772048, 30965060, 35388640, 49544096, 61930120, 123860240, 247720480]

約数ペア:

[(1, 247720480), (2, 123860240), (4, 61930120), (5, 49544096), (7, 35388640), (8, 30965060), (10, 24772048), (14, 17694320), (16, 15482530), (19, 13037920), (20, 12386024), (28, 8847160), (32, 7741265), (35, 7077728), (38, 6518960), (40, 6193012), (49, 5055520), (56, 4423580), (70, 3538864), (76, 3259480), (80, 3096506), (95, 2607584), (98, 2527760), (112, 2211790), (133, 1862560), (140, 1769432), (152, 1629740), (160, 1548253), (190, 1303792), (196, 1263880), (224, 1105895), (245, 1011104), (266, 931280), (280, 884716), (304, 814870), (380, 651896), (392, 631940), (490, 505552), (532, 465640), (560, 442358), (608, 407435), (665, 372512), (760, 325948), (784, 315970), (931, 266080), (980, 252776), (1064, 232820), (1120, 221179), (1330, 186256), (1520, 162974), (1568, 157985), (1663, 148960), (1862, 133040), (1960, 126388), (2128, 116410), (2660, 93128), (3040, 81487), (3326, 74480), (3724, 66520), (3920, 63194), (4256, 58205), (4655, 53216), (5320, 46564), (6652, 37240), (7448, 33260), (7840, 31597), (8315, 29792), (9310, 26608), (10640, 23282), (11641, 21280), (13304, 18620), (14896, 16630)]