156474640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:429

約数の個数: 120

約数和(自身を含む): 427472640

約数和(自身を除く): 270998000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 179, 196, 223, 245, 280, 358, 392, 446, 490, 560, 716, 784, 892, 895, 980, 1115, 1253, 1432, 1561, 1784, 1790, 1960, 2230, 2506, 2864, 3122, 3568, 3580, 3920, 4460, 5012, 6244, 6265, 7160, 7805, 8771, 8920, 10024, 10927, 12488, 12530, 14320, 15610, 17542, 17840, 20048, 21854, 24976, 25060, 31220, 35084, 39917, 43708, 43855, 50120, 54635, 62440, 70168, 79834, 87416, 87710, 100240, 109270, 124880, 140336, 159668, 174832, 175420, 199585, 218540, 279419, 319336, 350840, 399170, 437080, 558838, 638672, 701680, 798340, 874160, 1117676, 1397095, 1596680, 1955933, 2235352, 2794190, 3193360, 3911866, 4470704, 5588380, 7823732, 9779665, 11176760, 15647464, 19559330, 22353520, 31294928, 39118660, 78237320, 156474640]

約数ペア:

[(1, 156474640), (2, 78237320), (4, 39118660), (5, 31294928), (7, 22353520), (8, 19559330), (10, 15647464), (14, 11176760), (16, 9779665), (20, 7823732), (28, 5588380), (35, 4470704), (40, 3911866), (49, 3193360), (56, 2794190), (70, 2235352), (80, 1955933), (98, 1596680), (112, 1397095), (140, 1117676), (179, 874160), (196, 798340), (223, 701680), (245, 638672), (280, 558838), (358, 437080), (392, 399170), (446, 350840), (490, 319336), (560, 279419), (716, 218540), (784, 199585), (892, 175420), (895, 174832), (980, 159668), (1115, 140336), (1253, 124880), (1432, 109270), (1561, 100240), (1784, 87710), (1790, 87416), (1960, 79834), (2230, 70168), (2506, 62440), (2864, 54635), (3122, 50120), (3568, 43855), (3580, 43708), (3920, 39917), (4460, 35084), (5012, 31220), (6244, 25060), (6265, 24976), (7160, 21854), (7805, 20048), (8771, 17840), (8920, 17542), (10024, 15610), (10927, 14320), (12488, 12530)]