261796212

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:144

約数の個数: 180

約数和(自身を含む): 769618080

約数和(自身を除く): 507821868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 27, 36, 38, 43, 46, 54, 57, 69, 76, 81, 86, 92, 108, 114, 129, 138, 162, 171, 172, 207, 228, 258, 276, 324, 342, 387, 414, 437, 513, 516, 621, 684, 774, 817, 828, 874, 989, 1026, 1161, 1242, 1311, 1539, 1548, 1634, 1748, 1849, 1863, 1978, 2052, 2322, 2451, 2484, 2622, 2967, 3078, 3268, 3483, 3698, 3726, 3933, 3956, 4644, 4902, 5244, 5547, 5934, 6156, 6966, 7353, 7396, 7452, 7866, 8901, 9804, 11094, 11799, 11868, 13932, 14706, 15732, 16641, 17802, 18791, 22059, 22188, 23598, 26703, 29412, 33282, 35131, 35397, 35604, 37582, 42527, 44118, 47196, 49923, 53406, 56373, 66177, 66564, 70262, 70794, 75164, 80109, 85054, 88236, 99846, 105393, 106812, 112746, 127581, 132354, 140524, 141588, 149769, 160218, 169119, 170108, 199692, 210786, 225492, 255162, 264708, 299538, 316179, 320436, 338238, 382743, 421572, 507357, 510324, 599076, 632358, 676476, 765486, 808013, 948537, 1014714, 1148229, 1264716, 1522071, 1530972, 1616026, 1897074, 2029428, 2296458, 2424039, 2845611, 3044142, 3232052, 3444687, 3794148, 4592916, 4848078, 5691222, 6088284, 6889374, 7272117, 9696156, 11382444, 13778748, 14544234, 21816351, 29088468, 43632702, 65449053, 87265404, 130898106, 261796212]

約数ペア:

[(1, 261796212), (2, 130898106), (3, 87265404), (4, 65449053), (6, 43632702), (9, 29088468), (12, 21816351), (18, 14544234), (19, 13778748), (23, 11382444), (27, 9696156), (36, 7272117), (38, 6889374), (43, 6088284), (46, 5691222), (54, 4848078), (57, 4592916), (69, 3794148), (76, 3444687), (81, 3232052), (86, 3044142), (92, 2845611), (108, 2424039), (114, 2296458), (129, 2029428), (138, 1897074), (162, 1616026), (171, 1530972), (172, 1522071), (207, 1264716), (228, 1148229), (258, 1014714), (276, 948537), (324, 808013), (342, 765486), (387, 676476), (414, 632358), (437, 599076), (513, 510324), (516, 507357), (621, 421572), (684, 382743), (774, 338238), (817, 320436), (828, 316179), (874, 299538), (989, 264708), (1026, 255162), (1161, 225492), (1242, 210786), (1311, 199692), (1539, 170108), (1548, 169119), (1634, 160218), (1748, 149769), (1849, 141588), (1863, 140524), (1978, 132354), (2052, 127581), (2322, 112746), (2451, 106812), (2484, 105393), (2622, 99846), (2967, 88236), (3078, 85054), (3268, 80109), (3483, 75164), (3698, 70794), (3726, 70262), (3933, 66564), (3956, 66177), (4644, 56373), (4902, 53406), (5244, 49923), (5547, 47196), (5934, 44118), (6156, 42527), (6966, 37582), (7353, 35604), (7396, 35397), (7452, 35131), (7866, 33282), (8901, 29412), (9804, 26703), (11094, 23598), (11799, 22188), (11868, 22059), (13932, 18791), (14706, 17802), (15732, 16641)]