68248960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{631}}^1$

素因数の和:676

約数の個数: 96

約数和(自身を含む): 176953680

約数和(自身を除く): 108704720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 260, 320, 338, 416, 520, 631, 640, 676, 832, 845, 1040, 1262, 1352, 1664, 1690, 2080, 2524, 2704, 3155, 3380, 4160, 5048, 5408, 6310, 6760, 8203, 8320, 10096, 10816, 12620, 13520, 16406, 20192, 21632, 25240, 27040, 32812, 40384, 41015, 50480, 54080, 65624, 80768, 82030, 100960, 106639, 108160, 131248, 164060, 201920, 213278, 262496, 328120, 403840, 426556, 524992, 533195, 656240, 853112, 1049984, 1066390, 1312480, 1706224, 2132780, 2624960, 3412448, 4265560, 5249920, 6824896, 8531120, 13649792, 17062240, 34124480, 68248960]

約数ペア:

[(1, 68248960), (2, 34124480), (4, 17062240), (5, 13649792), (8, 8531120), (10, 6824896), (13, 5249920), (16, 4265560), (20, 3412448), (26, 2624960), (32, 2132780), (40, 1706224), (52, 1312480), (64, 1066390), (65, 1049984), (80, 853112), (104, 656240), (128, 533195), (130, 524992), (160, 426556), (169, 403840), (208, 328120), (260, 262496), (320, 213278), (338, 201920), (416, 164060), (520, 131248), (631, 108160), (640, 106639), (676, 100960), (832, 82030), (845, 80768), (1040, 65624), (1262, 54080), (1352, 50480), (1664, 41015), (1690, 40384), (2080, 32812), (2524, 27040), (2704, 25240), (3155, 21632), (3380, 20192), (4160, 16406), (5048, 13520), (5408, 12620), (6310, 10816), (6760, 10096), (8203, 8320)]