77931540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22787}}^1$

素因数の和:22821

約数の個数: 72

約数和(自身を含む): 248844960

約数和(自身を除く): 170913420

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, 22787, 45574, 68361, 91148, 113935, 136722, 205083, 227870, 273444, 341805, 410166, 432953, 455740, 683610, 820332, 865906, 1025415, 1298859, 1367220, 1731812, 2050830, 2164765, 2597718, 3896577, 4101660, 4329530, 5195436, 6494295, 7793154, 8659060, 12988590, 15586308, 19482885, 25977180, 38965770, 77931540]

約数ペア:

[(1, 77931540), (2, 38965770), (3, 25977180), (4, 19482885), (5, 15586308), (6, 12988590), (9, 8659060), (10, 7793154), (12, 6494295), (15, 5195436), (18, 4329530), (19, 4101660), (20, 3896577), (30, 2597718), (36, 2164765), (38, 2050830), (45, 1731812), (57, 1367220), (60, 1298859), (76, 1025415), (90, 865906), (95, 820332), (114, 683610), (171, 455740), (180, 432953), (190, 410166), (228, 341805), (285, 273444), (342, 227870), (380, 205083), (570, 136722), (684, 113935), (855, 91148), (1140, 68361), (1710, 45574), (3420, 22787)]