881280

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{17}}^1$

素因数の和:48

約数の個数: 160

約数和(自身を含む): 3332340

約数和(自身を除く): 2451060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 162, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 324, 340, 360, 384, 405, 408, 432, 459, 480, 510, 540, 544, 576, 612, 640, 648, 680, 720, 765, 810, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1296, 1360, 1377, 1440, 1530, 1620, 1632, 1728, 1836, 1920, 2040, 2160, 2176, 2295, 2448, 2592, 2720, 2754, 2880, 3060, 3240, 3264, 3456, 3672, 4080, 4320, 4590, 4896, 5184, 5440, 5508, 5760, 6120, 6480, 6528, 6885, 7344, 8160, 8640, 9180, 9792, 10368, 10880, 11016, 12240, 12960, 13770, 14688, 16320, 17280, 18360, 19584, 22032, 24480, 25920, 27540, 29376, 32640, 36720, 44064, 48960, 51840, 55080, 58752, 73440, 88128, 97920, 110160, 146880, 176256, 220320, 293760, 440640, 881280]

約数ペア:

[(1, 881280), (2, 440640), (3, 293760), (4, 220320), (5, 176256), (6, 146880), (8, 110160), (9, 97920), (10, 88128), (12, 73440), (15, 58752), (16, 55080), (17, 51840), (18, 48960), (20, 44064), (24, 36720), (27, 32640), (30, 29376), (32, 27540), (34, 25920), (36, 24480), (40, 22032), (45, 19584), (48, 18360), (51, 17280), (54, 16320), (60, 14688), (64, 13770), (68, 12960), (72, 12240), (80, 11016), (81, 10880), (85, 10368), (90, 9792), (96, 9180), (102, 8640), (108, 8160), (120, 7344), (128, 6885), (135, 6528), (136, 6480), (144, 6120), (153, 5760), (160, 5508), (162, 5440), (170, 5184), (180, 4896), (192, 4590), (204, 4320), (216, 4080), (240, 3672), (255, 3456), (270, 3264), (272, 3240), (288, 3060), (306, 2880), (320, 2754), (324, 2720), (340, 2592), (360, 2448), (384, 2295), (405, 2176), (408, 2160), (432, 2040), (459, 1920), (480, 1836), (510, 1728), (540, 1632), (544, 1620), (576, 1530), (612, 1440), (640, 1377), (648, 1360), (680, 1296), (720, 1224), (765, 1152), (810, 1088), (816, 1080), (864, 1020), (918, 960)]