71915480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:913

約数の個数: 128

約数和(自身を含む): 208051200

約数和(自身を除く): 136135720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 859, 910, 920, 1196, 1288, 1495, 1610, 1718, 1820, 2093, 2392, 2990, 3220, 3436, 3640, 4186, 4295, 5980, 6013, 6440, 6872, 8372, 8590, 10465, 11167, 11960, 12026, 16744, 17180, 19757, 20930, 22334, 24052, 30065, 34360, 39514, 41860, 44668, 48104, 55835, 60130, 78169, 79028, 83720, 89336, 98785, 111670, 120260, 138299, 156338, 158056, 197570, 223340, 240520, 256841, 276598, 312676, 390845, 395140, 446680, 513682, 553196, 625352, 691495, 781690, 790280, 1027364, 1106392, 1284205, 1382990, 1563380, 1797887, 2054728, 2568410, 2765980, 3126760, 3595774, 5136820, 5531960, 7191548, 8989435, 10273640, 14383096, 17978870, 35957740, 71915480]

約数ペア:

[(1, 71915480), (2, 35957740), (4, 17978870), (5, 14383096), (7, 10273640), (8, 8989435), (10, 7191548), (13, 5531960), (14, 5136820), (20, 3595774), (23, 3126760), (26, 2765980), (28, 2568410), (35, 2054728), (40, 1797887), (46, 1563380), (52, 1382990), (56, 1284205), (65, 1106392), (70, 1027364), (91, 790280), (92, 781690), (104, 691495), (115, 625352), (130, 553196), (140, 513682), (161, 446680), (182, 395140), (184, 390845), (230, 312676), (260, 276598), (280, 256841), (299, 240520), (322, 223340), (364, 197570), (455, 158056), (460, 156338), (520, 138299), (598, 120260), (644, 111670), (728, 98785), (805, 89336), (859, 83720), (910, 79028), (920, 78169), (1196, 60130), (1288, 55835), (1495, 48104), (1610, 44668), (1718, 41860), (1820, 39514), (2093, 34360), (2392, 30065), (2990, 24052), (3220, 22334), (3436, 20930), (3640, 19757), (4186, 17180), (4295, 16744), (5980, 12026), (6013, 11960), (6440, 11167), (6872, 10465), (8372, 8590)]