25761840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:411

約数の個数: 160

約数和(自身を含む): 89994240

約数和(自身を除く): 64232400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 184, 195, 208, 230, 240, 260, 276, 299, 312, 345, 359, 368, 390, 460, 520, 552, 598, 624, 690, 718, 780, 897, 920, 1040, 1077, 1104, 1196, 1380, 1436, 1495, 1560, 1794, 1795, 1840, 2154, 2392, 2760, 2872, 2990, 3120, 3588, 3590, 4308, 4485, 4667, 4784, 5385, 5520, 5744, 5980, 7176, 7180, 8257, 8616, 8970, 9334, 10770, 11960, 14001, 14352, 14360, 16514, 17232, 17940, 18668, 21540, 23335, 23920, 24771, 28002, 28720, 33028, 35880, 37336, 41285, 43080, 46670, 49542, 56004, 66056, 70005, 71760, 74672, 82570, 86160, 93340, 99084, 107341, 112008, 123855, 132112, 140010, 165140, 186680, 198168, 214682, 224016, 247710, 280020, 322023, 330280, 373360, 396336, 429364, 495420, 536705, 560040, 644046, 660560, 858728, 990840, 1073410, 1120080, 1288092, 1610115, 1717456, 1981680, 2146820, 2576184, 3220230, 4293640, 5152368, 6440460, 8587280, 12880920, 25761840]

約数ペア:

[(1, 25761840), (2, 12880920), (3, 8587280), (4, 6440460), (5, 5152368), (6, 4293640), (8, 3220230), (10, 2576184), (12, 2146820), (13, 1981680), (15, 1717456), (16, 1610115), (20, 1288092), (23, 1120080), (24, 1073410), (26, 990840), (30, 858728), (39, 660560), (40, 644046), (46, 560040), (48, 536705), (52, 495420), (60, 429364), (65, 396336), (69, 373360), (78, 330280), (80, 322023), (92, 280020), (104, 247710), (115, 224016), (120, 214682), (130, 198168), (138, 186680), (156, 165140), (184, 140010), (195, 132112), (208, 123855), (230, 112008), (240, 107341), (260, 99084), (276, 93340), (299, 86160), (312, 82570), (345, 74672), (359, 71760), (368, 70005), (390, 66056), (460, 56004), (520, 49542), (552, 46670), (598, 43080), (624, 41285), (690, 37336), (718, 35880), (780, 33028), (897, 28720), (920, 28002), (1040, 24771), (1077, 23920), (1104, 23335), (1196, 21540), (1380, 18668), (1436, 17940), (1495, 17232), (1560, 16514), (1794, 14360), (1795, 14352), (1840, 14001), (2154, 11960), (2392, 10770), (2760, 9334), (2872, 8970), (2990, 8616), (3120, 8257), (3588, 7180), (3590, 7176), (4308, 5980), (4485, 5744), (4667, 5520), (4784, 5385)]