39456540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 128419200

約数和(自身を除く): 88962660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 83, 90, 95, 114, 139, 166, 171, 180, 190, 228, 249, 278, 285, 332, 342, 380, 415, 417, 498, 556, 570, 684, 695, 747, 830, 834, 855, 996, 1140, 1245, 1251, 1390, 1494, 1577, 1660, 1668, 1710, 2085, 2490, 2502, 2641, 2780, 2988, 3154, 3420, 3735, 4170, 4731, 4980, 5004, 5282, 6255, 6308, 7470, 7885, 7923, 8340, 9462, 10564, 11537, 12510, 13205, 14193, 14940, 15770, 15846, 18924, 23074, 23655, 23769, 25020, 26410, 28386, 31540, 31692, 34611, 39615, 46148, 47310, 47538, 52820, 56772, 57685, 69222, 70965, 79230, 94620, 95076, 103833, 115370, 118845, 138444, 141930, 158460, 173055, 207666, 219203, 230740, 237690, 283860, 346110, 415332, 438406, 475380, 519165, 657609, 692220, 876812, 1038330, 1096015, 1315218, 1972827, 2076660, 2192030, 2630436, 3288045, 3945654, 4384060, 6576090, 7891308, 9864135, 13152180, 19728270, 39456540]

約数ペア:

[(1, 39456540), (2, 19728270), (3, 13152180), (4, 9864135), (5, 7891308), (6, 6576090), (9, 4384060), (10, 3945654), (12, 3288045), (15, 2630436), (18, 2192030), (19, 2076660), (20, 1972827), (30, 1315218), (36, 1096015), (38, 1038330), (45, 876812), (57, 692220), (60, 657609), (76, 519165), (83, 475380), (90, 438406), (95, 415332), (114, 346110), (139, 283860), (166, 237690), (171, 230740), (180, 219203), (190, 207666), (228, 173055), (249, 158460), (278, 141930), (285, 138444), (332, 118845), (342, 115370), (380, 103833), (415, 95076), (417, 94620), (498, 79230), (556, 70965), (570, 69222), (684, 57685), (695, 56772), (747, 52820), (830, 47538), (834, 47310), (855, 46148), (996, 39615), (1140, 34611), (1245, 31692), (1251, 31540), (1390, 28386), (1494, 26410), (1577, 25020), (1660, 23769), (1668, 23655), (1710, 23074), (2085, 18924), (2490, 15846), (2502, 15770), (2641, 14940), (2780, 14193), (2988, 13205), (3154, 12510), (3420, 11537), (3735, 10564), (4170, 9462), (4731, 8340), (4980, 7923), (5004, 7885), (5282, 7470), (6255, 6308)]