8231940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 27518400

約数和(自身を除く): 19286460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 83, 87, 90, 95, 114, 116, 145, 166, 171, 174, 180, 190, 228, 249, 261, 285, 290, 332, 342, 348, 380, 415, 435, 498, 522, 551, 570, 580, 684, 747, 830, 855, 870, 996, 1044, 1102, 1140, 1245, 1305, 1494, 1577, 1653, 1660, 1710, 1740, 2204, 2407, 2490, 2610, 2755, 2988, 3154, 3306, 3420, 3735, 4731, 4814, 4959, 4980, 5220, 5510, 6308, 6612, 7221, 7470, 7885, 8265, 9462, 9628, 9918, 11020, 12035, 14193, 14442, 14940, 15770, 16530, 18924, 19836, 21663, 23655, 24070, 24795, 28386, 28884, 31540, 33060, 36105, 43326, 45733, 47310, 48140, 49590, 56772, 70965, 72210, 86652, 91466, 94620, 99180, 108315, 137199, 141930, 144420, 182932, 216630, 228665, 274398, 283860, 411597, 433260, 457330, 548796, 685995, 823194, 914660, 1371990, 1646388, 2057985, 2743980, 4115970, 8231940]

約数ペア:

[(1, 8231940), (2, 4115970), (3, 2743980), (4, 2057985), (5, 1646388), (6, 1371990), (9, 914660), (10, 823194), (12, 685995), (15, 548796), (18, 457330), (19, 433260), (20, 411597), (29, 283860), (30, 274398), (36, 228665), (38, 216630), (45, 182932), (57, 144420), (58, 141930), (60, 137199), (76, 108315), (83, 99180), (87, 94620), (90, 91466), (95, 86652), (114, 72210), (116, 70965), (145, 56772), (166, 49590), (171, 48140), (174, 47310), (180, 45733), (190, 43326), (228, 36105), (249, 33060), (261, 31540), (285, 28884), (290, 28386), (332, 24795), (342, 24070), (348, 23655), (380, 21663), (415, 19836), (435, 18924), (498, 16530), (522, 15770), (551, 14940), (570, 14442), (580, 14193), (684, 12035), (747, 11020), (830, 9918), (855, 9628), (870, 9462), (996, 8265), (1044, 7885), (1102, 7470), (1140, 7221), (1245, 6612), (1305, 6308), (1494, 5510), (1577, 5220), (1653, 4980), (1660, 4959), (1710, 4814), (1740, 4731), (2204, 3735), (2407, 3420), (2490, 3306), (2610, 3154), (2755, 2988)]