215668620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3319}}^1$

素因数の和:3372

約数の個数: 108

約数和(自身を含む): 690646320

約数和(自身を除く): 474977700

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, 361, 380, 570, 684, 722, 855, 1083, 1140, 1444, 1710, 1805, 2166, 3249, 3319, 3420, 3610, 4332, 5415, 6498, 6638, 7220, 9957, 10830, 12996, 13276, 16245, 16595, 19914, 21660, 29871, 32490, 33190, 39828, 49785, 59742, 63061, 64980, 66380, 99570, 119484, 126122, 149355, 189183, 199140, 252244, 298710, 315305, 378366, 567549, 597420, 630610, 756732, 945915, 1135098, 1198159, 1261220, 1891830, 2270196, 2396318, 2837745, 3594477, 3783660, 4792636, 5675490, 5990795, 7188954, 10783431, 11350980, 11981590, 14377908, 17972385, 21566862, 23963180, 35944770, 43133724, 53917155, 71889540, 107834310, 215668620]

約数ペア:

[(1, 215668620), (2, 107834310), (3, 71889540), (4, 53917155), (5, 43133724), (6, 35944770), (9, 23963180), (10, 21566862), (12, 17972385), (15, 14377908), (18, 11981590), (19, 11350980), (20, 10783431), (30, 7188954), (36, 5990795), (38, 5675490), (45, 4792636), (57, 3783660), (60, 3594477), (76, 2837745), (90, 2396318), (95, 2270196), (114, 1891830), (171, 1261220), (180, 1198159), (190, 1135098), (228, 945915), (285, 756732), (342, 630610), (361, 597420), (380, 567549), (570, 378366), (684, 315305), (722, 298710), (855, 252244), (1083, 199140), (1140, 189183), (1444, 149355), (1710, 126122), (1805, 119484), (2166, 99570), (3249, 66380), (3319, 64980), (3420, 63061), (3610, 59742), (4332, 49785), (5415, 39828), (6498, 33190), (6638, 32490), (7220, 29871), (9957, 21660), (10830, 19914), (12996, 16595), (13276, 16245)]