129440480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4787}}^1$

素因数の和:4828

約数の個数: 72

約数和(自身を含む): 331205112

約数和(自身を除く): 201764632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 4787, 5408, 6760, 9574, 13520, 19148, 23935, 27040, 38296, 47870, 62231, 76592, 95740, 124462, 153184, 191480, 248924, 311155, 382960, 497848, 622310, 765920, 809003, 995696, 1244620, 1618006, 1991392, 2489240, 3236012, 4045015, 4978480, 6472024, 8090030, 9956960, 12944048, 16180060, 25888096, 32360120, 64720240, 129440480]

約数ペア:

[(1, 129440480), (2, 64720240), (4, 32360120), (5, 25888096), (8, 16180060), (10, 12944048), (13, 9956960), (16, 8090030), (20, 6472024), (26, 4978480), (32, 4045015), (40, 3236012), (52, 2489240), (65, 1991392), (80, 1618006), (104, 1244620), (130, 995696), (160, 809003), (169, 765920), (208, 622310), (260, 497848), (338, 382960), (416, 311155), (520, 248924), (676, 191480), (845, 153184), (1040, 124462), (1352, 95740), (1690, 76592), (2080, 62231), (2704, 47870), (3380, 38296), (4787, 27040), (5408, 23935), (6760, 19148), (9574, 13520)]