220320

素因数分解:

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

素因数の和:44

約数の個数: 120

約数和(自身を含む): 823284

約数和(自身を除く): 602964

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, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 162, 170, 180, 204, 216, 240, 255, 270, 272, 288, 306, 324, 340, 360, 405, 408, 432, 459, 480, 510, 540, 544, 612, 648, 680, 720, 765, 810, 816, 864, 918, 1020, 1080, 1224, 1296, 1360, 1377, 1440, 1530, 1620, 1632, 1836, 2040, 2160, 2295, 2448, 2592, 2720, 2754, 3060, 3240, 3672, 4080, 4320, 4590, 4896, 5508, 6120, 6480, 6885, 7344, 8160, 9180, 11016, 12240, 12960, 13770, 14688, 18360, 22032, 24480, 27540, 36720, 44064, 55080, 73440, 110160, 220320]

約数ペア:

[(1, 220320), (2, 110160), (3, 73440), (4, 55080), (5, 44064), (6, 36720), (8, 27540), (9, 24480), (10, 22032), (12, 18360), (15, 14688), (16, 13770), (17, 12960), (18, 12240), (20, 11016), (24, 9180), (27, 8160), (30, 7344), (32, 6885), (34, 6480), (36, 6120), (40, 5508), (45, 4896), (48, 4590), (51, 4320), (54, 4080), (60, 3672), (68, 3240), (72, 3060), (80, 2754), (81, 2720), (85, 2592), (90, 2448), (96, 2295), (102, 2160), (108, 2040), (120, 1836), (135, 1632), (136, 1620), (144, 1530), (153, 1440), (160, 1377), (162, 1360), (170, 1296), (180, 1224), (204, 1080), (216, 1020), (240, 918), (255, 864), (270, 816), (272, 810), (288, 765), (306, 720), (324, 680), (340, 648), (360, 612), (405, 544), (408, 540), (432, 510), (459, 480)]