216998640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{163}}^1$

素因数の和:268

約数の個数: 180

約数和(自身を含む): 750672936

約数和(自身を除く): 533674296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 163, 172, 180, 215, 240, 258, 326, 344, 360, 387, 430, 489, 516, 645, 652, 688, 720, 774, 815, 860, 978, 1032, 1290, 1304, 1467, 1548, 1630, 1720, 1849, 1935, 1956, 2064, 2445, 2580, 2608, 2934, 3096, 3260, 3440, 3698, 3870, 3912, 4890, 5160, 5547, 5868, 6192, 6520, 7009, 7335, 7396, 7740, 7824, 9245, 9780, 10320, 11094, 11736, 13040, 14018, 14670, 14792, 15480, 16641, 18490, 19560, 21027, 22188, 23472, 27735, 28036, 29340, 29584, 30960, 33282, 35045, 36980, 39120, 42054, 44376, 55470, 56072, 58680, 63081, 66564, 70090, 73960, 83205, 84108, 88752, 105135, 110940, 112144, 117360, 126162, 133128, 140180, 147920, 166410, 168216, 210270, 221880, 252324, 266256, 280360, 301387, 315405, 332820, 336432, 420540, 443760, 504648, 560720, 602774, 630810, 665640, 841080, 904161, 1009296, 1205548, 1261620, 1331280, 1506935, 1682160, 1808322, 2411096, 2523240, 2712483, 3013870, 3616644, 4520805, 4822192, 5046480, 5424966, 6027740, 7233288, 9041610, 10849932, 12055480, 13562415, 14466576, 18083220, 21699864, 24110960, 27124830, 36166440, 43399728, 54249660, 72332880, 108499320, 216998640]

約数ペア:

[(1, 216998640), (2, 108499320), (3, 72332880), (4, 54249660), (5, 43399728), (6, 36166440), (8, 27124830), (9, 24110960), (10, 21699864), (12, 18083220), (15, 14466576), (16, 13562415), (18, 12055480), (20, 10849932), (24, 9041610), (30, 7233288), (36, 6027740), (40, 5424966), (43, 5046480), (45, 4822192), (48, 4520805), (60, 3616644), (72, 3013870), (80, 2712483), (86, 2523240), (90, 2411096), (120, 1808322), (129, 1682160), (144, 1506935), (163, 1331280), (172, 1261620), (180, 1205548), (215, 1009296), (240, 904161), (258, 841080), (326, 665640), (344, 630810), (360, 602774), (387, 560720), (430, 504648), (489, 443760), (516, 420540), (645, 336432), (652, 332820), (688, 315405), (720, 301387), (774, 280360), (815, 266256), (860, 252324), (978, 221880), (1032, 210270), (1290, 168216), (1304, 166410), (1467, 147920), (1548, 140180), (1630, 133128), (1720, 126162), (1849, 117360), (1935, 112144), (1956, 110940), (2064, 105135), (2445, 88752), (2580, 84108), (2608, 83205), (2934, 73960), (3096, 70090), (3260, 66564), (3440, 63081), (3698, 58680), (3870, 56072), (3912, 55470), (4890, 44376), (5160, 42054), (5547, 39120), (5868, 36980), (6192, 35045), (6520, 33282), (7009, 30960), (7335, 29584), (7396, 29340), (7740, 28036), (7824, 27735), (9245, 23472), (9780, 22188), (10320, 21027), (11094, 19560), (11736, 18490), (13040, 16641), (14018, 15480), (14670, 14792)]