1266506240

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15959}}^1$

素因数の和:16013

約数の個数: 80

約数和(自身を含む): 3134799360

約数和(自身を除く): 1868293120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 15872, 15959, 19840, 31918, 39680, 63836, 79360, 79795, 127672, 159590, 255344, 319180, 494729, 510688, 638360, 989458, 1021376, 1276720, 1978916, 2042752, 2473645, 2553440, 3957832, 4085504, 4947290, 5106880, 7915664, 8171008, 9894580, 10213760, 15831328, 19789160, 20427520, 31662656, 39578320, 40855040, 63325312, 79156640, 126650624, 158313280, 253301248, 316626560, 633253120, 1266506240]

約数ペア:

[(1, 1266506240), (2, 633253120), (4, 316626560), (5, 253301248), (8, 158313280), (10, 126650624), (16, 79156640), (20, 63325312), (31, 40855040), (32, 39578320), (40, 31662656), (62, 20427520), (64, 19789160), (80, 15831328), (124, 10213760), (128, 9894580), (155, 8171008), (160, 7915664), (248, 5106880), (256, 4947290), (310, 4085504), (320, 3957832), (496, 2553440), (512, 2473645), (620, 2042752), (640, 1978916), (992, 1276720), (1240, 1021376), (1280, 989458), (1984, 638360), (2480, 510688), (2560, 494729), (3968, 319180), (4960, 255344), (7936, 159590), (9920, 127672), (15872, 79795), (15959, 79360), (19840, 63836), (31918, 39680)]