64798380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 207916800

約数和(自身を除く): 143118420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 67, 81, 90, 108, 134, 135, 162, 180, 199, 201, 243, 268, 270, 324, 335, 398, 402, 405, 486, 540, 597, 603, 670, 796, 804, 810, 972, 995, 1005, 1194, 1206, 1215, 1340, 1620, 1791, 1809, 1990, 2010, 2388, 2412, 2430, 2985, 3015, 3582, 3618, 3980, 4020, 4860, 5373, 5427, 5970, 6030, 7164, 7236, 8955, 9045, 10746, 10854, 11940, 12060, 13333, 16119, 16281, 17910, 18090, 21492, 21708, 26666, 26865, 27135, 32238, 32562, 35820, 36180, 39999, 48357, 53332, 53730, 54270, 64476, 65124, 66665, 79998, 80595, 81405, 96714, 107460, 108540, 119997, 133330, 159996, 161190, 162810, 193428, 199995, 239994, 241785, 266660, 322380, 325620, 359991, 399990, 479988, 483570, 599985, 719982, 799980, 967140, 1079973, 1199970, 1439964, 1799955, 2159946, 2399940, 3239919, 3599910, 4319892, 5399865, 6479838, 7199820, 10799730, 12959676, 16199595, 21599460, 32399190, 64798380]

約数ペア:

[(1, 64798380), (2, 32399190), (3, 21599460), (4, 16199595), (5, 12959676), (6, 10799730), (9, 7199820), (10, 6479838), (12, 5399865), (15, 4319892), (18, 3599910), (20, 3239919), (27, 2399940), (30, 2159946), (36, 1799955), (45, 1439964), (54, 1199970), (60, 1079973), (67, 967140), (81, 799980), (90, 719982), (108, 599985), (134, 483570), (135, 479988), (162, 399990), (180, 359991), (199, 325620), (201, 322380), (243, 266660), (268, 241785), (270, 239994), (324, 199995), (335, 193428), (398, 162810), (402, 161190), (405, 159996), (486, 133330), (540, 119997), (597, 108540), (603, 107460), (670, 96714), (796, 81405), (804, 80595), (810, 79998), (972, 66665), (995, 65124), (1005, 64476), (1194, 54270), (1206, 53730), (1215, 53332), (1340, 48357), (1620, 39999), (1791, 36180), (1809, 35820), (1990, 32562), (2010, 32238), (2388, 27135), (2412, 26865), (2430, 26666), (2985, 21708), (3015, 21492), (3582, 18090), (3618, 17910), (3980, 16281), (4020, 16119), (4860, 13333), (5373, 12060), (5427, 11940), (5970, 10854), (6030, 10746), (7164, 9045), (7236, 8955)]