261871272

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{521}}^1$

素因数の和:728

約数の個数: 128

約数和(自身を含む): 789264000

約数和(自身を除く): 527392728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 179, 216, 234, 312, 351, 358, 468, 521, 537, 702, 716, 936, 1042, 1074, 1404, 1432, 1563, 1611, 2084, 2148, 2327, 2808, 3126, 3222, 4168, 4296, 4654, 4689, 4833, 6252, 6444, 6773, 6981, 9308, 9378, 9666, 12504, 12888, 13546, 13962, 14067, 18616, 18756, 19332, 20319, 20943, 27092, 27924, 28134, 37512, 38664, 40638, 41886, 54184, 55848, 56268, 60957, 62829, 81276, 83772, 93259, 112536, 121914, 125658, 162552, 167544, 182871, 186518, 243828, 251316, 279777, 365742, 373036, 487656, 502632, 559554, 731484, 746072, 839331, 1119108, 1212367, 1462968, 1678662, 2238216, 2424734, 2517993, 3357324, 3637101, 4849468, 5035986, 6714648, 7274202, 9698936, 10071972, 10911303, 14548404, 20143944, 21822606, 29096808, 32733909, 43645212, 65467818, 87290424, 130935636, 261871272]

約数ペア:

[(1, 261871272), (2, 130935636), (3, 87290424), (4, 65467818), (6, 43645212), (8, 32733909), (9, 29096808), (12, 21822606), (13, 20143944), (18, 14548404), (24, 10911303), (26, 10071972), (27, 9698936), (36, 7274202), (39, 6714648), (52, 5035986), (54, 4849468), (72, 3637101), (78, 3357324), (104, 2517993), (108, 2424734), (117, 2238216), (156, 1678662), (179, 1462968), (216, 1212367), (234, 1119108), (312, 839331), (351, 746072), (358, 731484), (468, 559554), (521, 502632), (537, 487656), (702, 373036), (716, 365742), (936, 279777), (1042, 251316), (1074, 243828), (1404, 186518), (1432, 182871), (1563, 167544), (1611, 162552), (2084, 125658), (2148, 121914), (2327, 112536), (2808, 93259), (3126, 83772), (3222, 81276), (4168, 62829), (4296, 60957), (4654, 56268), (4689, 55848), (4833, 54184), (6252, 41886), (6444, 40638), (6773, 38664), (6981, 37512), (9308, 28134), (9378, 27924), (9666, 27092), (12504, 20943), (12888, 20319), (13546, 19332), (13962, 18756), (14067, 18616)]