261963936

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:396

約数の個数: 192

約数和(自身を含む): 835712640

約数和(自身を除く): 573748704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 83, 96, 104, 108, 117, 144, 156, 166, 208, 216, 234, 249, 281, 288, 312, 332, 351, 416, 432, 468, 498, 562, 624, 664, 702, 747, 843, 864, 936, 996, 1079, 1124, 1248, 1328, 1404, 1494, 1686, 1872, 1992, 2158, 2241, 2248, 2529, 2656, 2808, 2988, 3237, 3372, 3653, 3744, 3984, 4316, 4482, 4496, 5058, 5616, 5976, 6474, 6744, 7306, 7587, 7968, 8632, 8964, 8992, 9711, 10116, 10959, 11232, 11952, 12948, 13488, 14612, 15174, 17264, 17928, 19422, 20232, 21918, 23323, 23904, 25896, 26976, 29133, 29224, 30348, 32877, 34528, 35856, 38844, 40464, 43836, 46646, 51792, 58266, 58448, 60696, 65754, 69969, 71712, 77688, 80928, 87672, 93292, 98631, 103584, 116532, 116896, 121392, 131508, 139938, 155376, 175344, 186584, 197262, 209907, 233064, 242784, 263016, 279876, 303199, 310752, 350688, 373168, 394524, 419814, 466128, 526032, 559752, 606398, 629721, 746336, 789048, 839628, 909597, 932256, 1052064, 1119504, 1212796, 1259442, 1578096, 1679256, 1819194, 2239008, 2425592, 2518884, 2728791, 3156192, 3358512, 3638388, 4851184, 5037768, 5457582, 6717024, 7276776, 8186373, 9702368, 10075536, 10915164, 14553552, 16372746, 20151072, 21830328, 29107104, 32745492, 43660656, 65490984, 87321312, 130981968, 261963936]

約数ペア:

[(1, 261963936), (2, 130981968), (3, 87321312), (4, 65490984), (6, 43660656), (8, 32745492), (9, 29107104), (12, 21830328), (13, 20151072), (16, 16372746), (18, 14553552), (24, 10915164), (26, 10075536), (27, 9702368), (32, 8186373), (36, 7276776), (39, 6717024), (48, 5457582), (52, 5037768), (54, 4851184), (72, 3638388), (78, 3358512), (83, 3156192), (96, 2728791), (104, 2518884), (108, 2425592), (117, 2239008), (144, 1819194), (156, 1679256), (166, 1578096), (208, 1259442), (216, 1212796), (234, 1119504), (249, 1052064), (281, 932256), (288, 909597), (312, 839628), (332, 789048), (351, 746336), (416, 629721), (432, 606398), (468, 559752), (498, 526032), (562, 466128), (624, 419814), (664, 394524), (702, 373168), (747, 350688), (843, 310752), (864, 303199), (936, 279876), (996, 263016), (1079, 242784), (1124, 233064), (1248, 209907), (1328, 197262), (1404, 186584), (1494, 175344), (1686, 155376), (1872, 139938), (1992, 131508), (2158, 121392), (2241, 116896), (2248, 116532), (2529, 103584), (2656, 98631), (2808, 93292), (2988, 87672), (3237, 80928), (3372, 77688), (3653, 71712), (3744, 69969), (3984, 65754), (4316, 60696), (4482, 58448), (4496, 58266), (5058, 51792), (5616, 46646), (5976, 43836), (6474, 40464), (6744, 38844), (7306, 35856), (7587, 34528), (7968, 32877), (8632, 30348), (8964, 29224), (8992, 29133), (9711, 26976), (10116, 25896), (10959, 23904), (11232, 23323), (11952, 21918), (12948, 20232), (13488, 19422), (14612, 17928), (15174, 17264)]