665131860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{194483}}^1$

素因数の和:194517

約数の個数: 72

約数和(自身を含む): 2123765280

約数和(自身を除く): 1458633420

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, 194483, 388966, 583449, 777932, 972415, 1166898, 1750347, 1944830, 2333796, 2917245, 3500694, 3695177, 3889660, 5834490, 7001388, 7390354, 8751735, 11085531, 11668980, 14780708, 17503470, 18475885, 22171062, 33256593, 35006940, 36951770, 44342124, 55427655, 66513186, 73903540, 110855310, 133026372, 166282965, 221710620, 332565930, 665131860]

約数ペア:

[(1, 665131860), (2, 332565930), (3, 221710620), (4, 166282965), (5, 133026372), (6, 110855310), (9, 73903540), (10, 66513186), (12, 55427655), (15, 44342124), (18, 36951770), (19, 35006940), (20, 33256593), (30, 22171062), (36, 18475885), (38, 17503470), (45, 14780708), (57, 11668980), (60, 11085531), (76, 8751735), (90, 7390354), (95, 7001388), (114, 5834490), (171, 3889660), (180, 3695177), (190, 3500694), (228, 2917245), (285, 2333796), (342, 1944830), (380, 1750347), (570, 1166898), (684, 972415), (855, 777932), (1140, 583449), (1710, 388966), (3420, 194483)]