81080376

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 230307840

約数和(自身を除く): 149227464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 83, 93, 101, 104, 124, 156, 166, 186, 202, 248, 249, 303, 312, 332, 372, 403, 404, 498, 606, 664, 744, 806, 808, 996, 1079, 1209, 1212, 1313, 1612, 1992, 2158, 2418, 2424, 2573, 2626, 3131, 3224, 3237, 3939, 4316, 4836, 5146, 5252, 6262, 6474, 7719, 7878, 8383, 8632, 9393, 9672, 10292, 10504, 12524, 12948, 15438, 15756, 16766, 18786, 20584, 25048, 25149, 25896, 30876, 31512, 33449, 33532, 37572, 40703, 50298, 61752, 66898, 67064, 75144, 81406, 100347, 100596, 108979, 122109, 133796, 162812, 200694, 201192, 217958, 244218, 259873, 267592, 325624, 326937, 401388, 435916, 488436, 519746, 653874, 779619, 802776, 871832, 976872, 1039492, 1307748, 1559238, 2078984, 2615496, 3118476, 3378349, 6236952, 6756698, 10135047, 13513396, 20270094, 27026792, 40540188, 81080376]

約数ペア:

[(1, 81080376), (2, 40540188), (3, 27026792), (4, 20270094), (6, 13513396), (8, 10135047), (12, 6756698), (13, 6236952), (24, 3378349), (26, 3118476), (31, 2615496), (39, 2078984), (52, 1559238), (62, 1307748), (78, 1039492), (83, 976872), (93, 871832), (101, 802776), (104, 779619), (124, 653874), (156, 519746), (166, 488436), (186, 435916), (202, 401388), (248, 326937), (249, 325624), (303, 267592), (312, 259873), (332, 244218), (372, 217958), (403, 201192), (404, 200694), (498, 162812), (606, 133796), (664, 122109), (744, 108979), (806, 100596), (808, 100347), (996, 81406), (1079, 75144), (1209, 67064), (1212, 66898), (1313, 61752), (1612, 50298), (1992, 40703), (2158, 37572), (2418, 33532), (2424, 33449), (2573, 31512), (2626, 30876), (3131, 25896), (3224, 25149), (3237, 25048), (3939, 20584), (4316, 18786), (4836, 16766), (5146, 15756), (5252, 15438), (6262, 12948), (6474, 12524), (7719, 10504), (7878, 10292), (8383, 9672), (8632, 9393)]