101518720

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1249}}^1$

素因数の和:1395

約数の個数: 64

約数和(自身を含む): 244800000

約数和(自身を除く): 143281280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1249, 1270, 2032, 2498, 2540, 4064, 4996, 5080, 6245, 8128, 9992, 10160, 12490, 16256, 19984, 20320, 24980, 39968, 40640, 49960, 79936, 81280, 99920, 158623, 159872, 199840, 317246, 399680, 634492, 793115, 799360, 1268984, 1586230, 2537968, 3172460, 5075936, 6344920, 10151872, 12689840, 20303744, 25379680, 50759360, 101518720]

約数ペア:

[(1, 101518720), (2, 50759360), (4, 25379680), (5, 20303744), (8, 12689840), (10, 10151872), (16, 6344920), (20, 5075936), (32, 3172460), (40, 2537968), (64, 1586230), (80, 1268984), (127, 799360), (128, 793115), (160, 634492), (254, 399680), (320, 317246), (508, 199840), (635, 159872), (640, 158623), (1016, 99920), (1249, 81280), (1270, 79936), (2032, 49960), (2498, 40640), (2540, 39968), (4064, 24980), (4996, 20320), (5080, 19984), (6245, 16256), (8128, 12490), (9992, 10160)]