278480720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3739}}^1$

素因数の和:3785

約数の個数: 120

約数和(自身を含む): 793029600

約数和(自身を除く): 514548880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2128, 2660, 3724, 3739, 3920, 4655, 5320, 7448, 7478, 9310, 10640, 14896, 14956, 18620, 18695, 26173, 29912, 37240, 37390, 52346, 59824, 71041, 74480, 74780, 104692, 130865, 142082, 149560, 183211, 209384, 261730, 284164, 299120, 355205, 366422, 418768, 497287, 523460, 568328, 710410, 732844, 916055, 994574, 1046920, 1136656, 1420820, 1465688, 1832110, 1989148, 2093840, 2486435, 2841640, 2931376, 3481009, 3664220, 3978296, 4972870, 5683280, 6962018, 7328440, 7956592, 9945740, 13924036, 14656880, 17405045, 19891480, 27848072, 34810090, 39782960, 55696144, 69620180, 139240360, 278480720]

約数ペア:

[(1, 278480720), (2, 139240360), (4, 69620180), (5, 55696144), (7, 39782960), (8, 34810090), (10, 27848072), (14, 19891480), (16, 17405045), (19, 14656880), (20, 13924036), (28, 9945740), (35, 7956592), (38, 7328440), (40, 6962018), (49, 5683280), (56, 4972870), (70, 3978296), (76, 3664220), (80, 3481009), (95, 2931376), (98, 2841640), (112, 2486435), (133, 2093840), (140, 1989148), (152, 1832110), (190, 1465688), (196, 1420820), (245, 1136656), (266, 1046920), (280, 994574), (304, 916055), (380, 732844), (392, 710410), (490, 568328), (532, 523460), (560, 497287), (665, 418768), (760, 366422), (784, 355205), (931, 299120), (980, 284164), (1064, 261730), (1330, 209384), (1520, 183211), (1862, 149560), (1960, 142082), (2128, 130865), (2660, 104692), (3724, 74780), (3739, 74480), (3920, 71041), (4655, 59824), (5320, 52346), (7448, 37390), (7478, 37240), (9310, 29912), (10640, 26173), (14896, 18695), (14956, 18620)]