261967104

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 216

約数和(自身を含む): 888567680

約数和(自身を除く): 626600576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 37, 42, 48, 56, 63, 64, 72, 74, 84, 96, 111, 112, 126, 128, 144, 148, 168, 192, 222, 224, 252, 256, 259, 288, 296, 333, 336, 384, 439, 444, 448, 504, 518, 576, 592, 666, 672, 768, 777, 878, 888, 896, 1008, 1036, 1152, 1184, 1317, 1332, 1344, 1554, 1756, 1776, 1792, 2016, 2072, 2304, 2331, 2368, 2634, 2664, 2688, 3073, 3108, 3512, 3552, 3951, 4032, 4144, 4662, 4736, 5268, 5328, 5376, 6146, 6216, 7024, 7104, 7902, 8064, 8288, 9219, 9324, 9472, 10536, 10656, 12292, 12432, 14048, 14208, 15804, 16128, 16243, 16576, 18438, 18648, 21072, 21312, 24584, 24864, 27657, 28096, 28416, 31608, 32486, 33152, 36876, 37296, 42144, 42624, 48729, 49168, 49728, 55314, 56192, 63216, 64972, 66304, 73752, 74592, 84288, 85248, 97458, 98336, 99456, 110628, 112384, 113701, 126432, 129944, 146187, 147504, 149184, 168576, 194916, 196672, 198912, 221256, 227402, 252864, 259888, 292374, 295008, 298368, 337152, 341103, 389832, 393344, 442512, 454804, 505728, 519776, 584748, 590016, 596736, 682206, 779664, 786688, 885024, 909608, 1011456, 1023309, 1039552, 1169496, 1180032, 1364412, 1559328, 1770048, 1819216, 2046618, 2079104, 2338992, 2360064, 2728824, 3118656, 3540096, 3638432, 4093236, 4158208, 4677984, 5457648, 6237312, 7080192, 7276864, 8186472, 9355968, 10915296, 12474624, 14553728, 16372944, 18711936, 21830592, 29107456, 32745888, 37423872, 43661184, 65491776, 87322368, 130983552, 261967104]

約数ペア:

[(1, 261967104), (2, 130983552), (3, 87322368), (4, 65491776), (6, 43661184), (7, 37423872), (8, 32745888), (9, 29107456), (12, 21830592), (14, 18711936), (16, 16372944), (18, 14553728), (21, 12474624), (24, 10915296), (28, 9355968), (32, 8186472), (36, 7276864), (37, 7080192), (42, 6237312), (48, 5457648), (56, 4677984), (63, 4158208), (64, 4093236), (72, 3638432), (74, 3540096), (84, 3118656), (96, 2728824), (111, 2360064), (112, 2338992), (126, 2079104), (128, 2046618), (144, 1819216), (148, 1770048), (168, 1559328), (192, 1364412), (222, 1180032), (224, 1169496), (252, 1039552), (256, 1023309), (259, 1011456), (288, 909608), (296, 885024), (333, 786688), (336, 779664), (384, 682206), (439, 596736), (444, 590016), (448, 584748), (504, 519776), (518, 505728), (576, 454804), (592, 442512), (666, 393344), (672, 389832), (768, 341103), (777, 337152), (878, 298368), (888, 295008), (896, 292374), (1008, 259888), (1036, 252864), (1152, 227402), (1184, 221256), (1317, 198912), (1332, 196672), (1344, 194916), (1554, 168576), (1756, 149184), (1776, 147504), (1792, 146187), (2016, 129944), (2072, 126432), (2304, 113701), (2331, 112384), (2368, 110628), (2634, 99456), (2664, 98336), (2688, 97458), (3073, 85248), (3108, 84288), (3512, 74592), (3552, 73752), (3951, 66304), (4032, 64972), (4144, 63216), (4662, 56192), (4736, 55314), (5268, 49728), (5328, 49168), (5376, 48729), (6146, 42624), (6216, 42144), (7024, 37296), (7104, 36876), (7902, 33152), (8064, 32486), (8288, 31608), (9219, 28416), (9324, 28096), (9472, 27657), (10536, 24864), (10656, 24584), (12292, 21312), (12432, 21072), (14048, 18648), (14208, 18438), (15804, 16576), (16128, 16243)]