142709120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7193}}^1$

素因数の和:7243

約数の個数: 64

約数和(自身を含む): 352218240

約数和(自身を除く): 209509120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 7193, 9920, 14386, 19840, 28772, 35965, 57544, 71930, 115088, 143860, 222983, 230176, 287720, 445966, 460352, 575440, 891932, 920704, 1114915, 1150880, 1783864, 2229830, 2301760, 3567728, 4459660, 4603520, 7135456, 8919320, 14270912, 17838640, 28541824, 35677280, 71354560, 142709120]

約数ペア:

[(1, 142709120), (2, 71354560), (4, 35677280), (5, 28541824), (8, 17838640), (10, 14270912), (16, 8919320), (20, 7135456), (31, 4603520), (32, 4459660), (40, 3567728), (62, 2301760), (64, 2229830), (80, 1783864), (124, 1150880), (128, 1114915), (155, 920704), (160, 891932), (248, 575440), (310, 460352), (320, 445966), (496, 287720), (620, 230176), (640, 222983), (992, 143860), (1240, 115088), (1984, 71930), (2480, 57544), (3968, 35965), (4960, 28772), (7193, 19840), (9920, 14386)]