8122240

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{37}}^1$

素因数の和:77

約数の個数: 128

約数和(自身を含む): 23256000

約数和(自身を除く): 15133760

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, 259, 280, 296, 320, 343, 370, 392, 448, 490, 518, 560, 592, 640, 686, 740, 784, 896, 980, 1036, 1120, 1184, 1295, 1372, 1480, 1568, 1715, 1813, 1960, 2072, 2240, 2368, 2590, 2744, 2960, 3136, 3430, 3626, 3920, 4144, 4480, 4736, 5180, 5488, 5920, 6272, 6860, 7252, 7840, 8288, 9065, 10360, 10976, 11840, 12691, 13720, 14504, 15680, 16576, 18130, 20720, 21952, 23680, 25382, 27440, 29008, 31360, 33152, 36260, 41440, 43904, 50764, 54880, 58016, 63455, 72520, 82880, 101528, 109760, 116032, 126910, 145040, 165760, 203056, 219520, 232064, 253820, 290080, 406112, 507640, 580160, 812224, 1015280, 1160320, 1624448, 2030560, 4061120, 8122240]

約数ペア:

[(1, 8122240), (2, 4061120), (4, 2030560), (5, 1624448), (7, 1160320), (8, 1015280), (10, 812224), (14, 580160), (16, 507640), (20, 406112), (28, 290080), (32, 253820), (35, 232064), (37, 219520), (40, 203056), (49, 165760), (56, 145040), (64, 126910), (70, 116032), (74, 109760), (80, 101528), (98, 82880), (112, 72520), (128, 63455), (140, 58016), (148, 54880), (160, 50764), (185, 43904), (196, 41440), (224, 36260), (245, 33152), (259, 31360), (280, 29008), (296, 27440), (320, 25382), (343, 23680), (370, 21952), (392, 20720), (448, 18130), (490, 16576), (518, 15680), (560, 14504), (592, 13720), (640, 12691), (686, 11840), (740, 10976), (784, 10360), (896, 9065), (980, 8288), (1036, 7840), (1120, 7252), (1184, 6860), (1295, 6272), (1372, 5920), (1480, 5488), (1568, 5180), (1715, 4736), (1813, 4480), (1960, 4144), (2072, 3920), (2240, 3626), (2368, 3430), (2590, 3136), (2744, 2960)]