67240620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19661}}^1$

素因数の和:19695

約数の個数: 72

約数和(自身を含む): 214709040

約数和(自身を除く): 147468420

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, 19661, 39322, 58983, 78644, 98305, 117966, 176949, 196610, 235932, 294915, 353898, 373559, 393220, 589830, 707796, 747118, 884745, 1120677, 1179660, 1494236, 1769490, 1867795, 2241354, 3362031, 3538980, 3735590, 4482708, 5603385, 6724062, 7471180, 11206770, 13448124, 16810155, 22413540, 33620310, 67240620]

約数ペア:

[(1, 67240620), (2, 33620310), (3, 22413540), (4, 16810155), (5, 13448124), (6, 11206770), (9, 7471180), (10, 6724062), (12, 5603385), (15, 4482708), (18, 3735590), (19, 3538980), (20, 3362031), (30, 2241354), (36, 1867795), (38, 1769490), (45, 1494236), (57, 1179660), (60, 1120677), (76, 884745), (90, 747118), (95, 707796), (114, 589830), (171, 393220), (180, 373559), (190, 353898), (228, 294915), (285, 235932), (342, 196610), (380, 176949), (570, 117966), (684, 98305), (855, 78644), (1140, 58983), (1710, 39322), (3420, 19661)]