2320640

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{37}}^1$

素因数の和:72

約数の個数: 108

約数和(自身を含む): 6640956

約数和(自身を除く): 4320316

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 70, 74, 80, 98, 112, 128, 140, 148, 160, 185, 196, 224, 245, 256, 259, 280, 296, 320, 370, 392, 448, 490, 518, 560, 592, 640, 740, 784, 896, 980, 1036, 1120, 1184, 1280, 1295, 1480, 1568, 1792, 1813, 1960, 2072, 2240, 2368, 2590, 2960, 3136, 3626, 3920, 4144, 4480, 4736, 5180, 5920, 6272, 7252, 7840, 8288, 8960, 9065, 9472, 10360, 11840, 12544, 14504, 15680, 16576, 18130, 20720, 23680, 29008, 31360, 33152, 36260, 41440, 47360, 58016, 62720, 66304, 72520, 82880, 116032, 145040, 165760, 232064, 290080, 331520, 464128, 580160, 1160320, 2320640]

約数ペア:

[(1, 2320640), (2, 1160320), (4, 580160), (5, 464128), (7, 331520), (8, 290080), (10, 232064), (14, 165760), (16, 145040), (20, 116032), (28, 82880), (32, 72520), (35, 66304), (37, 62720), (40, 58016), (49, 47360), (56, 41440), (64, 36260), (70, 33152), (74, 31360), (80, 29008), (98, 23680), (112, 20720), (128, 18130), (140, 16576), (148, 15680), (160, 14504), (185, 12544), (196, 11840), (224, 10360), (245, 9472), (256, 9065), (259, 8960), (280, 8288), (296, 7840), (320, 7252), (370, 6272), (392, 5920), (448, 5180), (490, 4736), (518, 4480), (560, 4144), (592, 3920), (640, 3626), (740, 3136), (784, 2960), (896, 2590), (980, 2368), (1036, 2240), (1120, 2072), (1184, 1960), (1280, 1813), (1295, 1792), (1480, 1568)]