128427660

素因数分解:

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

素因数の和:245

約数の個数: 192

約数和(自身を含む): 423360000

約数和(自身を除く): 294932340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 59, 60, 87, 90, 108, 116, 118, 135, 139, 145, 174, 177, 180, 236, 261, 270, 278, 290, 295, 348, 354, 417, 435, 522, 531, 540, 556, 580, 590, 695, 708, 783, 834, 870, 885, 1044, 1062, 1180, 1251, 1305, 1390, 1566, 1593, 1668, 1711, 1740, 1770, 2085, 2124, 2502, 2610, 2655, 2780, 3132, 3186, 3422, 3540, 3753, 3915, 4031, 4170, 5004, 5133, 5220, 5310, 6255, 6372, 6844, 7506, 7830, 7965, 8062, 8201, 8340, 8555, 10266, 10620, 12093, 12510, 15012, 15399, 15660, 15930, 16124, 16402, 17110, 18765, 20155, 20532, 24186, 24603, 25020, 25665, 30798, 31860, 32804, 34220, 36279, 37530, 40310, 41005, 46197, 48372, 49206, 51330, 60465, 61596, 72558, 73809, 75060, 76995, 80620, 82010, 92394, 98412, 102660, 108837, 120930, 123015, 145116, 147618, 153990, 164020, 181395, 184788, 217674, 221427, 230985, 237829, 241860, 246030, 295236, 307980, 362790, 369045, 435348, 442854, 461970, 475658, 492060, 544185, 713487, 725580, 738090, 885708, 923940, 951316, 1088370, 1107135, 1189145, 1426974, 1476180, 2140461, 2176740, 2214270, 2378290, 2853948, 3567435, 4280922, 4428540, 4756580, 6421383, 7134870, 8561844, 10702305, 12842766, 14269740, 21404610, 25685532, 32106915, 42809220, 64213830, 128427660]

約数ペア:

[(1, 128427660), (2, 64213830), (3, 42809220), (4, 32106915), (5, 25685532), (6, 21404610), (9, 14269740), (10, 12842766), (12, 10702305), (15, 8561844), (18, 7134870), (20, 6421383), (27, 4756580), (29, 4428540), (30, 4280922), (36, 3567435), (45, 2853948), (54, 2378290), (58, 2214270), (59, 2176740), (60, 2140461), (87, 1476180), (90, 1426974), (108, 1189145), (116, 1107135), (118, 1088370), (135, 951316), (139, 923940), (145, 885708), (174, 738090), (177, 725580), (180, 713487), (236, 544185), (261, 492060), (270, 475658), (278, 461970), (290, 442854), (295, 435348), (348, 369045), (354, 362790), (417, 307980), (435, 295236), (522, 246030), (531, 241860), (540, 237829), (556, 230985), (580, 221427), (590, 217674), (695, 184788), (708, 181395), (783, 164020), (834, 153990), (870, 147618), (885, 145116), (1044, 123015), (1062, 120930), (1180, 108837), (1251, 102660), (1305, 98412), (1390, 92394), (1566, 82010), (1593, 80620), (1668, 76995), (1711, 75060), (1740, 73809), (1770, 72558), (2085, 61596), (2124, 60465), (2502, 51330), (2610, 49206), (2655, 48372), (2780, 46197), (3132, 41005), (3186, 40310), (3422, 37530), (3540, 36279), (3753, 34220), (3915, 32804), (4031, 31860), (4170, 30798), (5004, 25665), (5133, 25020), (5220, 24603), (5310, 24186), (6255, 20532), (6372, 20155), (6844, 18765), (7506, 17110), (7830, 16402), (7965, 16124), (8062, 15930), (8201, 15660), (8340, 15399), (8555, 15012), (10266, 12510), (10620, 12093)]