79571940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 270950400

約数和(自身を除く): 191378460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 47, 58, 60, 70, 84, 87, 94, 105, 116, 139, 140, 141, 145, 174, 188, 203, 210, 235, 278, 282, 290, 329, 348, 406, 417, 420, 435, 470, 556, 564, 580, 609, 658, 695, 705, 812, 834, 870, 940, 973, 987, 1015, 1218, 1316, 1363, 1390, 1410, 1645, 1668, 1740, 1946, 1974, 2030, 2085, 2436, 2726, 2780, 2820, 2919, 3045, 3290, 3892, 3948, 4031, 4060, 4089, 4170, 4865, 4935, 5452, 5838, 6090, 6533, 6580, 6815, 8062, 8178, 8340, 9541, 9730, 9870, 11676, 12093, 12180, 13066, 13630, 14595, 16124, 16356, 19082, 19460, 19599, 19740, 20155, 20445, 24186, 26132, 27260, 28217, 28623, 29190, 32665, 38164, 39198, 40310, 40890, 45731, 47705, 48372, 56434, 57246, 58380, 60465, 65330, 78396, 80620, 81780, 84651, 91462, 95410, 97995, 112868, 114492, 120930, 130660, 137193, 141085, 143115, 169302, 182924, 189457, 190820, 195990, 228655, 241860, 274386, 282170, 286230, 338604, 378914, 391980, 423255, 457310, 548772, 564340, 568371, 572460, 685965, 757828, 846510, 914620, 947285, 1136742, 1326199, 1371930, 1693020, 1894570, 2273484, 2652398, 2743860, 2841855, 3789140, 3978597, 5304796, 5683710, 6630995, 7957194, 11367420, 13261990, 15914388, 19892985, 26523980, 39785970, 79571940]

約数ペア:

[(1, 79571940), (2, 39785970), (3, 26523980), (4, 19892985), (5, 15914388), (6, 13261990), (7, 11367420), (10, 7957194), (12, 6630995), (14, 5683710), (15, 5304796), (20, 3978597), (21, 3789140), (28, 2841855), (29, 2743860), (30, 2652398), (35, 2273484), (42, 1894570), (47, 1693020), (58, 1371930), (60, 1326199), (70, 1136742), (84, 947285), (87, 914620), (94, 846510), (105, 757828), (116, 685965), (139, 572460), (140, 568371), (141, 564340), (145, 548772), (174, 457310), (188, 423255), (203, 391980), (210, 378914), (235, 338604), (278, 286230), (282, 282170), (290, 274386), (329, 241860), (348, 228655), (406, 195990), (417, 190820), (420, 189457), (435, 182924), (470, 169302), (556, 143115), (564, 141085), (580, 137193), (609, 130660), (658, 120930), (695, 114492), (705, 112868), (812, 97995), (834, 95410), (870, 91462), (940, 84651), (973, 81780), (987, 80620), (1015, 78396), (1218, 65330), (1316, 60465), (1363, 58380), (1390, 57246), (1410, 56434), (1645, 48372), (1668, 47705), (1740, 45731), (1946, 40890), (1974, 40310), (2030, 39198), (2085, 38164), (2436, 32665), (2726, 29190), (2780, 28623), (2820, 28217), (2919, 27260), (3045, 26132), (3290, 24186), (3892, 20445), (3948, 20155), (4031, 19740), (4060, 19599), (4089, 19460), (4170, 19082), (4865, 16356), (4935, 16124), (5452, 14595), (5838, 13630), (6090, 13066), (6533, 12180), (6580, 12093), (6815, 11676), (8062, 9870), (8178, 9730), (8340, 9541)]