201721860

素因数分解:

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

素因数の和:19698

約数の個数: 96

約数和(自身を含む): 660643200

約数和(自身を除く): 458921340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 19661, 39322, 58983, 78644, 98305, 117966, 176949, 196610, 235932, 294915, 353898, 373559, 393220, 530847, 589830, 707796, 747118, 884745, 1061694, 1120677, 1179660, 1494236, 1769490, 1867795, 2123388, 2241354, 2654235, 3362031, 3538980, 3735590, 4482708, 5308470, 5603385, 6724062, 7471180, 10086093, 10616940, 11206770, 13448124, 16810155, 20172186, 22413540, 33620310, 40344372, 50430465, 67240620, 100860930, 201721860]

約数ペア:

[(1, 201721860), (2, 100860930), (3, 67240620), (4, 50430465), (5, 40344372), (6, 33620310), (9, 22413540), (10, 20172186), (12, 16810155), (15, 13448124), (18, 11206770), (19, 10616940), (20, 10086093), (27, 7471180), (30, 6724062), (36, 5603385), (38, 5308470), (45, 4482708), (54, 3735590), (57, 3538980), (60, 3362031), (76, 2654235), (90, 2241354), (95, 2123388), (108, 1867795), (114, 1769490), (135, 1494236), (171, 1179660), (180, 1120677), (190, 1061694), (228, 884745), (270, 747118), (285, 707796), (342, 589830), (380, 530847), (513, 393220), (540, 373559), (570, 353898), (684, 294915), (855, 235932), (1026, 196610), (1140, 176949), (1710, 117966), (2052, 98305), (2565, 78644), (3420, 58983), (5130, 39322), (10260, 19661)]