42809220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 137592000

約数和(自身を除く): 94782780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 59, 60, 87, 90, 116, 118, 139, 145, 174, 177, 180, 236, 261, 278, 290, 295, 348, 354, 417, 435, 522, 531, 556, 580, 590, 695, 708, 834, 870, 885, 1044, 1062, 1180, 1251, 1305, 1390, 1668, 1711, 1740, 1770, 2085, 2124, 2502, 2610, 2655, 2780, 3422, 3540, 4031, 4170, 5004, 5133, 5220, 5310, 6255, 6844, 8062, 8201, 8340, 8555, 10266, 10620, 12093, 12510, 15399, 16124, 16402, 17110, 20155, 20532, 24186, 24603, 25020, 25665, 30798, 32804, 34220, 36279, 40310, 41005, 48372, 49206, 51330, 60465, 61596, 72558, 73809, 76995, 80620, 82010, 98412, 102660, 120930, 123015, 145116, 147618, 153990, 164020, 181395, 237829, 241860, 246030, 295236, 307980, 362790, 369045, 475658, 492060, 713487, 725580, 738090, 951316, 1189145, 1426974, 1476180, 2140461, 2378290, 2853948, 3567435, 4280922, 4756580, 7134870, 8561844, 10702305, 14269740, 21404610, 42809220]

約数ペア:

[(1, 42809220), (2, 21404610), (3, 14269740), (4, 10702305), (5, 8561844), (6, 7134870), (9, 4756580), (10, 4280922), (12, 3567435), (15, 2853948), (18, 2378290), (20, 2140461), (29, 1476180), (30, 1426974), (36, 1189145), (45, 951316), (58, 738090), (59, 725580), (60, 713487), (87, 492060), (90, 475658), (116, 369045), (118, 362790), (139, 307980), (145, 295236), (174, 246030), (177, 241860), (180, 237829), (236, 181395), (261, 164020), (278, 153990), (290, 147618), (295, 145116), (348, 123015), (354, 120930), (417, 102660), (435, 98412), (522, 82010), (531, 80620), (556, 76995), (580, 73809), (590, 72558), (695, 61596), (708, 60465), (834, 51330), (870, 49206), (885, 48372), (1044, 41005), (1062, 40310), (1180, 36279), (1251, 34220), (1305, 32804), (1390, 30798), (1668, 25665), (1711, 25020), (1740, 24603), (1770, 24186), (2085, 20532), (2124, 20155), (2502, 17110), (2610, 16402), (2655, 16124), (2780, 15399), (3422, 12510), (3540, 12093), (4031, 10620), (4170, 10266), (5004, 8555), (5133, 8340), (5220, 8201), (5310, 8062), (6255, 6844)]