128239360

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5273}}^1$

素因数の和:5313

約数の個数: 72

約数和(自身を含む): 323401680

約数和(自身を除く): 195162320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 5273, 6080, 10546, 12160, 21092, 24320, 26365, 42184, 52730, 84368, 100187, 105460, 168736, 200374, 210920, 337472, 400748, 421840, 500935, 674944, 801496, 843680, 1001870, 1349888, 1602992, 1687360, 2003740, 3205984, 3374720, 4007480, 6411968, 6749440, 8014960, 12823936, 16029920, 25647872, 32059840, 64119680, 128239360]

約数ペア:

[(1, 128239360), (2, 64119680), (4, 32059840), (5, 25647872), (8, 16029920), (10, 12823936), (16, 8014960), (19, 6749440), (20, 6411968), (32, 4007480), (38, 3374720), (40, 3205984), (64, 2003740), (76, 1687360), (80, 1602992), (95, 1349888), (128, 1001870), (152, 843680), (160, 801496), (190, 674944), (256, 500935), (304, 421840), (320, 400748), (380, 337472), (608, 210920), (640, 200374), (760, 168736), (1216, 105460), (1280, 100187), (1520, 84368), (2432, 52730), (3040, 42184), (4864, 26365), (5273, 24320), (6080, 21092), (10546, 12160)]