15857970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:719

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 25199310

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 43, 57, 86, 95, 114, 129, 190, 215, 258, 285, 430, 570, 645, 647, 817, 1290, 1294, 1634, 1941, 2451, 3235, 3882, 4085, 4902, 6470, 8170, 9705, 12255, 12293, 19410, 24510, 24586, 27821, 36879, 55642, 61465, 73758, 83463, 122930, 139105, 166926, 184395, 278210, 368790, 417315, 528599, 834630, 1057198, 1585797, 2642995, 3171594, 5285990, 7928985, 15857970]

約数ペア:

[(1, 15857970), (2, 7928985), (3, 5285990), (5, 3171594), (6, 2642995), (10, 1585797), (15, 1057198), (19, 834630), (30, 528599), (38, 417315), (43, 368790), (57, 278210), (86, 184395), (95, 166926), (114, 139105), (129, 122930), (190, 83463), (215, 73758), (258, 61465), (285, 55642), (430, 36879), (570, 27821), (645, 24586), (647, 24510), (817, 19410), (1290, 12293), (1294, 12255), (1634, 9705), (1941, 8170), (2451, 6470), (3235, 4902), (3882, 4085)]