667495728

素因数分解:

$2^4\times 3^6\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:758

約数の個数: 140

約数和(自身を含む): 1963858680

約数和(自身を除く): 1296362952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 89, 108, 144, 162, 178, 216, 243, 267, 324, 356, 432, 486, 534, 643, 648, 712, 729, 801, 972, 1068, 1286, 1296, 1424, 1458, 1602, 1929, 1944, 2136, 2403, 2572, 2916, 3204, 3858, 3888, 4272, 4806, 5144, 5787, 5832, 6408, 7209, 7716, 9612, 10288, 11574, 11664, 12816, 14418, 15432, 17361, 19224, 21627, 23148, 28836, 30864, 34722, 38448, 43254, 46296, 52083, 57227, 57672, 64881, 69444, 86508, 92592, 104166, 114454, 115344, 129762, 138888, 156249, 171681, 173016, 208332, 228908, 259524, 277776, 312498, 343362, 346032, 416664, 457816, 468747, 515043, 519048, 624996, 686724, 833328, 915632, 937494, 1030086, 1038096, 1249992, 1373448, 1545129, 1874988, 2060172, 2499984, 2746896, 3090258, 3749976, 4120344, 4635387, 6180516, 7499952, 8240688, 9270774, 12361032, 13906161, 18541548, 24722064, 27812322, 37083096, 41718483, 55624644, 74166192, 83436966, 111249288, 166873932, 222498576, 333747864, 667495728]

約数ペア:

[(1, 667495728), (2, 333747864), (3, 222498576), (4, 166873932), (6, 111249288), (8, 83436966), (9, 74166192), (12, 55624644), (16, 41718483), (18, 37083096), (24, 27812322), (27, 24722064), (36, 18541548), (48, 13906161), (54, 12361032), (72, 9270774), (81, 8240688), (89, 7499952), (108, 6180516), (144, 4635387), (162, 4120344), (178, 3749976), (216, 3090258), (243, 2746896), (267, 2499984), (324, 2060172), (356, 1874988), (432, 1545129), (486, 1373448), (534, 1249992), (643, 1038096), (648, 1030086), (712, 937494), (729, 915632), (801, 833328), (972, 686724), (1068, 624996), (1286, 519048), (1296, 515043), (1424, 468747), (1458, 457816), (1602, 416664), (1929, 346032), (1944, 343362), (2136, 312498), (2403, 277776), (2572, 259524), (2916, 228908), (3204, 208332), (3858, 173016), (3888, 171681), (4272, 156249), (4806, 138888), (5144, 129762), (5787, 115344), (5832, 114454), (6408, 104166), (7209, 92592), (7716, 86508), (9612, 69444), (10288, 64881), (11574, 57672), (11664, 57227), (12816, 52083), (14418, 46296), (15432, 43254), (17361, 38448), (19224, 34722), (21627, 30864), (23148, 28836)]