8477260020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2478731}}^1$

素因数の和:2478765

約数の個数: 72

約数和(自身を含む): 27067753440

約数和(自身を除く): 18590493420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 2478731, 4957462, 7436193, 9914924, 12393655, 14872386, 22308579, 24787310, 29744772, 37180965, 44617158, 47095889, 49574620, 74361930, 89234316, 94191778, 111542895, 141287667, 148723860, 188383556, 223085790, 235479445, 282575334, 423863001, 446171580, 470958890, 565150668, 706438335, 847726002, 941917780, 1412876670, 1695452004, 2119315005, 2825753340, 4238630010, 8477260020]

約数ペア:

[(1, 8477260020), (2, 4238630010), (3, 2825753340), (4, 2119315005), (5, 1695452004), (6, 1412876670), (9, 941917780), (10, 847726002), (12, 706438335), (15, 565150668), (18, 470958890), (19, 446171580), (20, 423863001), (30, 282575334), (36, 235479445), (38, 223085790), (45, 188383556), (57, 148723860), (60, 141287667), (76, 111542895), (90, 94191778), (95, 89234316), (114, 74361930), (171, 49574620), (180, 47095889), (190, 44617158), (228, 37180965), (285, 29744772), (342, 24787310), (380, 22308579), (570, 14872386), (684, 12393655), (855, 9914924), (1140, 7436193), (1710, 4957462), (3420, 2478731)]