1281266880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78509}}^1$

素因数の和:78546

約数の個数: 112

約数和(自身を含む): 4307372640

約数和(自身を除く): 3026105760

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, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 2040, 2720, 3264, 4080, 5440, 8160, 16320, 78509, 157018, 235527, 314036, 392545, 471054, 628072, 785090, 942108, 1177635, 1256144, 1334653, 1570180, 1884216, 2355270, 2512288, 2669306, 3140360, 3768432, 4003959, 4710540, 5024576, 5338612, 6280720, 6673265, 7536864, 8007918, 9421080, 10677224, 12561440, 13346530, 15073728, 16015836, 18842160, 20019795, 21354448, 25122880, 26693060, 32031672, 37684320, 40039590, 42708896, 53386120, 64063344, 75368640, 80079180, 85417792, 106772240, 128126688, 160158360, 213544480, 256253376, 320316720, 427088960, 640633440, 1281266880]

約数ペア:

[(1, 1281266880), (2, 640633440), (3, 427088960), (4, 320316720), (5, 256253376), (6, 213544480), (8, 160158360), (10, 128126688), (12, 106772240), (15, 85417792), (16, 80079180), (17, 75368640), (20, 64063344), (24, 53386120), (30, 42708896), (32, 40039590), (34, 37684320), (40, 32031672), (48, 26693060), (51, 25122880), (60, 21354448), (64, 20019795), (68, 18842160), (80, 16015836), (85, 15073728), (96, 13346530), (102, 12561440), (120, 10677224), (136, 9421080), (160, 8007918), (170, 7536864), (192, 6673265), (204, 6280720), (240, 5338612), (255, 5024576), (272, 4710540), (320, 4003959), (340, 3768432), (408, 3140360), (480, 2669306), (510, 2512288), (544, 2355270), (680, 1884216), (816, 1570180), (960, 1334653), (1020, 1256144), (1088, 1177635), (1360, 942108), (1632, 785090), (2040, 628072), (2720, 471054), (3264, 392545), (4080, 314036), (5440, 235527), (8160, 157018), (16320, 78509)]