131808040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:784

約数の個数: 128

約数和(自身を含む): 372960000

約数和(自身を除く): 241151960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 343, 364, 392, 455, 490, 520, 637, 686, 728, 739, 910, 980, 1274, 1372, 1478, 1715, 1820, 1960, 2548, 2744, 2956, 3185, 3430, 3640, 3695, 4459, 5096, 5173, 5912, 6370, 6860, 7390, 8918, 9607, 10346, 12740, 13720, 14780, 17836, 19214, 20692, 22295, 25480, 25865, 29560, 35672, 36211, 38428, 41384, 44590, 48035, 51730, 67249, 72422, 76856, 89180, 96070, 103460, 134498, 144844, 178360, 181055, 192140, 206920, 253477, 268996, 289688, 336245, 362110, 384280, 470743, 506954, 537992, 672490, 724220, 941486, 1013908, 1267385, 1344980, 1448440, 1882972, 2027816, 2353715, 2534770, 2689960, 3295201, 3765944, 4707430, 5069540, 6590402, 9414860, 10139080, 13180804, 16476005, 18829720, 26361608, 32952010, 65904020, 131808040]

約数ペア:

[(1, 131808040), (2, 65904020), (4, 32952010), (5, 26361608), (7, 18829720), (8, 16476005), (10, 13180804), (13, 10139080), (14, 9414860), (20, 6590402), (26, 5069540), (28, 4707430), (35, 3765944), (40, 3295201), (49, 2689960), (52, 2534770), (56, 2353715), (65, 2027816), (70, 1882972), (91, 1448440), (98, 1344980), (104, 1267385), (130, 1013908), (140, 941486), (182, 724220), (196, 672490), (245, 537992), (260, 506954), (280, 470743), (343, 384280), (364, 362110), (392, 336245), (455, 289688), (490, 268996), (520, 253477), (637, 206920), (686, 192140), (728, 181055), (739, 178360), (910, 144844), (980, 134498), (1274, 103460), (1372, 96070), (1478, 89180), (1715, 76856), (1820, 72422), (1960, 67249), (2548, 51730), (2744, 48035), (2956, 44590), (3185, 41384), (3430, 38428), (3640, 36211), (3695, 35672), (4459, 29560), (5096, 25865), (5173, 25480), (5912, 22295), (6370, 20692), (6860, 19214), (7390, 17836), (8918, 14780), (9607, 13720), (10346, 12740)]