219638720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3163}}^1$

素因数の和:3218

約数の個数: 112

約数和(自身を含む): 617207808

約数和(自身を除く): 397569088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3163, 3472, 4340, 4960, 6326, 6944, 8680, 9920, 12652, 13888, 15815, 17360, 22141, 25304, 31630, 34720, 44282, 50608, 63260, 69440, 88564, 98053, 101216, 110705, 126520, 177128, 196106, 202432, 221410, 253040, 354256, 392212, 442820, 490265, 506080, 686371, 708512, 784424, 885640, 980530, 1012160, 1372742, 1417024, 1568848, 1771280, 1961060, 2745484, 3137696, 3431855, 3542560, 3922120, 5490968, 6275392, 6863710, 7085120, 7844240, 10981936, 13727420, 15688480, 21963872, 27454840, 31376960, 43927744, 54909680, 109819360, 219638720]

約数ペア:

[(1, 219638720), (2, 109819360), (4, 54909680), (5, 43927744), (7, 31376960), (8, 27454840), (10, 21963872), (14, 15688480), (16, 13727420), (20, 10981936), (28, 7844240), (31, 7085120), (32, 6863710), (35, 6275392), (40, 5490968), (56, 3922120), (62, 3542560), (64, 3431855), (70, 3137696), (80, 2745484), (112, 1961060), (124, 1771280), (140, 1568848), (155, 1417024), (160, 1372742), (217, 1012160), (224, 980530), (248, 885640), (280, 784424), (310, 708512), (320, 686371), (434, 506080), (448, 490265), (496, 442820), (560, 392212), (620, 354256), (868, 253040), (992, 221410), (1085, 202432), (1120, 196106), (1240, 177128), (1736, 126520), (1984, 110705), (2170, 101216), (2240, 98053), (2480, 88564), (3163, 69440), (3472, 63260), (4340, 50608), (4960, 44282), (6326, 34720), (6944, 31630), (8680, 25304), (9920, 22141), (12652, 17360), (13888, 15815)]