1557287040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47711}}^1$

素因数の和:47750

約数の個数: 128

約数和(自身を含む): 5255953920

約数和(自身を除く): 3698666880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 8160, 10880, 16320, 32640, 47711, 95422, 143133, 190844, 238555, 286266, 381688, 477110, 572532, 715665, 763376, 811087, 954220, 1145064, 1431330, 1526752, 1622174, 1908440, 2290128, 2433261, 2862660, 3053504, 3244348, 3816880, 4055435, 4580256, 4866522, 5725320, 6107008, 6488696, 7633760, 8110870, 9160512, 9733044, 11450640, 12166305, 12977392, 15267520, 16221740, 18321024, 19466088, 22901280, 24332610, 25954784, 30535040, 32443480, 38932176, 45802560, 48665220, 51909568, 64886960, 77864352, 91605120, 97330440, 103819136, 129773920, 155728704, 194660880, 259547840, 311457408, 389321760, 519095680, 778643520, 1557287040]

約数ペア:

[(1, 1557287040), (2, 778643520), (3, 519095680), (4, 389321760), (5, 311457408), (6, 259547840), (8, 194660880), (10, 155728704), (12, 129773920), (15, 103819136), (16, 97330440), (17, 91605120), (20, 77864352), (24, 64886960), (30, 51909568), (32, 48665220), (34, 45802560), (40, 38932176), (48, 32443480), (51, 30535040), (60, 25954784), (64, 24332610), (68, 22901280), (80, 19466088), (85, 18321024), (96, 16221740), (102, 15267520), (120, 12977392), (128, 12166305), (136, 11450640), (160, 9733044), (170, 9160512), (192, 8110870), (204, 7633760), (240, 6488696), (255, 6107008), (272, 5725320), (320, 4866522), (340, 4580256), (384, 4055435), (408, 3816880), (480, 3244348), (510, 3053504), (544, 2862660), (640, 2433261), (680, 2290128), (816, 1908440), (960, 1622174), (1020, 1526752), (1088, 1431330), (1360, 1145064), (1632, 954220), (1920, 811087), (2040, 763376), (2176, 715665), (2720, 572532), (3264, 477110), (4080, 381688), (5440, 286266), (6528, 238555), (8160, 190844), (10880, 143133), (16320, 95422), (32640, 47711)]