80195580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 259459200

約数和(自身を除く): 179263620

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, 131, 171, 179, 180, 190, 228, 262, 285, 342, 358, 380, 393, 524, 537, 570, 655, 684, 716, 786, 855, 895, 1074, 1140, 1179, 1310, 1572, 1611, 1710, 1790, 1965, 2148, 2358, 2489, 2620, 2685, 3222, 3401, 3420, 3580, 3930, 4716, 4978, 5370, 5895, 6444, 6802, 7467, 7860, 8055, 9956, 10203, 10740, 11790, 12445, 13604, 14934, 16110, 17005, 20406, 22401, 23449, 23580, 24890, 29868, 30609, 32220, 34010, 37335, 40812, 44802, 46898, 49780, 51015, 61218, 68020, 70347, 74670, 89604, 93796, 102030, 112005, 117245, 122436, 140694, 149340, 153045, 204060, 211041, 224010, 234490, 281388, 306090, 351735, 422082, 445531, 448020, 468980, 612180, 703470, 844164, 891062, 1055205, 1336593, 1406940, 1782124, 2110410, 2227655, 2673186, 4009779, 4220820, 4455310, 5346372, 6682965, 8019558, 8910620, 13365930, 16039116, 20048895, 26731860, 40097790, 80195580]

約数ペア:

[(1, 80195580), (2, 40097790), (3, 26731860), (4, 20048895), (5, 16039116), (6, 13365930), (9, 8910620), (10, 8019558), (12, 6682965), (15, 5346372), (18, 4455310), (19, 4220820), (20, 4009779), (30, 2673186), (36, 2227655), (38, 2110410), (45, 1782124), (57, 1406940), (60, 1336593), (76, 1055205), (90, 891062), (95, 844164), (114, 703470), (131, 612180), (171, 468980), (179, 448020), (180, 445531), (190, 422082), (228, 351735), (262, 306090), (285, 281388), (342, 234490), (358, 224010), (380, 211041), (393, 204060), (524, 153045), (537, 149340), (570, 140694), (655, 122436), (684, 117245), (716, 112005), (786, 102030), (855, 93796), (895, 89604), (1074, 74670), (1140, 70347), (1179, 68020), (1310, 61218), (1572, 51015), (1611, 49780), (1710, 46898), (1790, 44802), (1965, 40812), (2148, 37335), (2358, 34010), (2489, 32220), (2620, 30609), (2685, 29868), (3222, 24890), (3401, 23580), (3420, 23449), (3580, 22401), (3930, 20406), (4716, 17005), (4978, 16110), (5370, 14934), (5895, 13604), (6444, 12445), (6802, 11790), (7467, 10740), (7860, 10203), (8055, 9956)]