217621080

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:485

約数の個数: 224

約数和(自身を含む): 779090400

約数和(自身を除く): 561469320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 243, 255, 270, 306, 324, 340, 360, 405, 408, 439, 459, 486, 510, 540, 612, 648, 680, 729, 765, 810, 878, 918, 972, 1020, 1080, 1215, 1224, 1317, 1377, 1458, 1530, 1620, 1756, 1836, 1944, 2040, 2195, 2295, 2430, 2634, 2754, 2916, 3060, 3240, 3512, 3645, 3672, 3951, 4131, 4390, 4590, 4860, 5268, 5508, 5832, 6120, 6585, 6885, 7290, 7463, 7902, 8262, 8780, 9180, 9720, 10536, 11016, 11853, 12393, 13170, 13770, 14580, 14926, 15804, 16524, 17560, 18360, 19755, 20655, 22389, 23706, 24786, 26340, 27540, 29160, 29852, 31608, 33048, 35559, 37315, 39510, 41310, 44778, 47412, 49572, 52680, 55080, 59265, 59704, 61965, 67167, 71118, 74630, 79020, 82620, 89556, 94824, 99144, 106677, 111945, 118530, 123930, 134334, 142236, 149260, 158040, 165240, 177795, 179112, 201501, 213354, 223890, 237060, 247860, 268668, 284472, 298520, 320031, 335835, 355590, 403002, 426708, 447780, 474120, 495720, 533385, 537336, 604503, 640062, 671670, 711180, 806004, 853416, 895560, 1007505, 1066770, 1209006, 1280124, 1343340, 1422360, 1600155, 1612008, 1813509, 2015010, 2133540, 2418012, 2560248, 2686680, 3022515, 3200310, 3627018, 4030020, 4267080, 4836024, 5440527, 6045030, 6400620, 7254036, 8060040, 9067545, 10881054, 12090060, 12801240, 14508072, 18135090, 21762108, 24180120, 27202635, 36270180, 43524216, 54405270, 72540360, 108810540, 217621080]

約数ペア:

[(1, 217621080), (2, 108810540), (3, 72540360), (4, 54405270), (5, 43524216), (6, 36270180), (8, 27202635), (9, 24180120), (10, 21762108), (12, 18135090), (15, 14508072), (17, 12801240), (18, 12090060), (20, 10881054), (24, 9067545), (27, 8060040), (30, 7254036), (34, 6400620), (36, 6045030), (40, 5440527), (45, 4836024), (51, 4267080), (54, 4030020), (60, 3627018), (68, 3200310), (72, 3022515), (81, 2686680), (85, 2560248), (90, 2418012), (102, 2133540), (108, 2015010), (120, 1813509), (135, 1612008), (136, 1600155), (153, 1422360), (162, 1343340), (170, 1280124), (180, 1209006), (204, 1066770), (216, 1007505), (243, 895560), (255, 853416), (270, 806004), (306, 711180), (324, 671670), (340, 640062), (360, 604503), (405, 537336), (408, 533385), (439, 495720), (459, 474120), (486, 447780), (510, 426708), (540, 403002), (612, 355590), (648, 335835), (680, 320031), (729, 298520), (765, 284472), (810, 268668), (878, 247860), (918, 237060), (972, 223890), (1020, 213354), (1080, 201501), (1215, 179112), (1224, 177795), (1317, 165240), (1377, 158040), (1458, 149260), (1530, 142236), (1620, 134334), (1756, 123930), (1836, 118530), (1944, 111945), (2040, 106677), (2195, 99144), (2295, 94824), (2430, 89556), (2634, 82620), (2754, 79020), (2916, 74630), (3060, 71118), (3240, 67167), (3512, 61965), (3645, 59704), (3672, 59265), (3951, 55080), (4131, 52680), (4390, 49572), (4590, 47412), (4860, 44778), (5268, 41310), (5508, 39510), (5832, 37315), (6120, 35559), (6585, 33048), (6885, 31608), (7290, 29852), (7463, 29160), (7902, 27540), (8262, 26340), (8780, 24786), (9180, 23706), (9720, 22389), (10536, 20655), (11016, 19755), (11853, 18360), (12393, 17560), (13170, 16524), (13770, 15804), (14580, 14926)]