79811200

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{509}}^1$

素因数の和:547

約数の個数: 144

約数和(自身を含む): 229798350

約数和(自身を除く): 149987150

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 509, 560, 640, 700, 784, 800, 896, 980, 1018, 1120, 1225, 1400, 1568, 1600, 1960, 2036, 2240, 2450, 2545, 2800, 3136, 3200, 3563, 3920, 4072, 4480, 4900, 5090, 5600, 6272, 7126, 7840, 8144, 9800, 10180, 11200, 12725, 14252, 15680, 16288, 17815, 19600, 20360, 22400, 24941, 25450, 28504, 31360, 32576, 35630, 39200, 40720, 49882, 50900, 57008, 65152, 71260, 78400, 81440, 89075, 99764, 101800, 114016, 124705, 142520, 156800, 162880, 178150, 199528, 203600, 228032, 249410, 285040, 325760, 356300, 399056, 407200, 456064, 498820, 570080, 623525, 712600, 798112, 814400, 997640, 1140160, 1247050, 1425200, 1596224, 1628800, 1995280, 2280320, 2494100, 2850400, 3192448, 3990560, 4988200, 5700800, 7981120, 9976400, 11401600, 15962240, 19952800, 39905600, 79811200]

約数ペア:

[(1, 79811200), (2, 39905600), (4, 19952800), (5, 15962240), (7, 11401600), (8, 9976400), (10, 7981120), (14, 5700800), (16, 4988200), (20, 3990560), (25, 3192448), (28, 2850400), (32, 2494100), (35, 2280320), (40, 1995280), (49, 1628800), (50, 1596224), (56, 1425200), (64, 1247050), (70, 1140160), (80, 997640), (98, 814400), (100, 798112), (112, 712600), (128, 623525), (140, 570080), (160, 498820), (175, 456064), (196, 407200), (200, 399056), (224, 356300), (245, 325760), (280, 285040), (320, 249410), (350, 228032), (392, 203600), (400, 199528), (448, 178150), (490, 162880), (509, 156800), (560, 142520), (640, 124705), (700, 114016), (784, 101800), (800, 99764), (896, 89075), (980, 81440), (1018, 78400), (1120, 71260), (1225, 65152), (1400, 57008), (1568, 50900), (1600, 49882), (1960, 40720), (2036, 39200), (2240, 35630), (2450, 32576), (2545, 31360), (2800, 28504), (3136, 25450), (3200, 24941), (3563, 22400), (3920, 20360), (4072, 19600), (4480, 17815), (4900, 16288), (5090, 15680), (5600, 14252), (6272, 12725), (7126, 11200), (7840, 10180), (8144, 9800)]