161319760

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{5879}}^1$

素因数の和:5913

約数の個数: 80

約数和(自身を含む): 437472000

約数和(自身を除く): 276152240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 5879, 6860, 11758, 13720, 23516, 27440, 29395, 41153, 47032, 58790, 82306, 94064, 117580, 164612, 205765, 235160, 288071, 329224, 411530, 470320, 576142, 658448, 823060, 1152284, 1440355, 1646120, 2016497, 2304568, 2880710, 3292240, 4032994, 4609136, 5761420, 8065988, 10082485, 11522840, 16131976, 20164970, 23045680, 32263952, 40329940, 80659880, 161319760]

約数ペア:

[(1, 161319760), (2, 80659880), (4, 40329940), (5, 32263952), (7, 23045680), (8, 20164970), (10, 16131976), (14, 11522840), (16, 10082485), (20, 8065988), (28, 5761420), (35, 4609136), (40, 4032994), (49, 3292240), (56, 2880710), (70, 2304568), (80, 2016497), (98, 1646120), (112, 1440355), (140, 1152284), (196, 823060), (245, 658448), (280, 576142), (343, 470320), (392, 411530), (490, 329224), (560, 288071), (686, 235160), (784, 205765), (980, 164612), (1372, 117580), (1715, 94064), (1960, 82306), (2744, 58790), (3430, 47032), (3920, 41153), (5488, 29395), (5879, 27440), (6860, 23516), (11758, 13720)]