87831720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 303264000

約数和(自身を除く): 215432280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 47, 58, 60, 72, 87, 90, 94, 116, 120, 141, 145, 174, 179, 180, 188, 232, 235, 261, 282, 290, 348, 358, 360, 376, 423, 435, 470, 522, 537, 564, 580, 696, 705, 716, 846, 870, 895, 940, 1044, 1074, 1128, 1160, 1305, 1363, 1410, 1432, 1611, 1692, 1740, 1790, 1880, 2088, 2115, 2148, 2610, 2685, 2726, 2820, 3222, 3384, 3480, 3580, 4089, 4230, 4296, 5191, 5220, 5370, 5452, 5640, 6444, 6815, 7160, 8055, 8178, 8413, 8460, 10382, 10440, 10740, 10904, 12267, 12888, 13630, 15573, 16110, 16356, 16826, 16920, 20445, 20764, 21480, 24534, 25239, 25955, 27260, 31146, 32220, 32712, 33652, 40890, 41528, 42065, 46719, 49068, 50478, 51910, 54520, 61335, 62292, 64440, 67304, 75717, 77865, 81780, 84130, 93438, 98136, 100956, 103820, 122670, 124584, 126195, 151434, 155730, 163560, 168260, 186876, 201912, 207640, 233595, 243977, 245340, 252390, 302868, 311460, 336520, 373752, 378585, 467190, 487954, 490680, 504780, 605736, 622920, 731931, 757170, 934380, 975908, 1009560, 1219885, 1463862, 1514340, 1868760, 1951816, 2195793, 2439770, 2927724, 3028680, 3659655, 4391586, 4879540, 5855448, 7319310, 8783172, 9759080, 10978965, 14638620, 17566344, 21957930, 29277240, 43915860, 87831720]

約数ペア:

[(1, 87831720), (2, 43915860), (3, 29277240), (4, 21957930), (5, 17566344), (6, 14638620), (8, 10978965), (9, 9759080), (10, 8783172), (12, 7319310), (15, 5855448), (18, 4879540), (20, 4391586), (24, 3659655), (29, 3028680), (30, 2927724), (36, 2439770), (40, 2195793), (45, 1951816), (47, 1868760), (58, 1514340), (60, 1463862), (72, 1219885), (87, 1009560), (90, 975908), (94, 934380), (116, 757170), (120, 731931), (141, 622920), (145, 605736), (174, 504780), (179, 490680), (180, 487954), (188, 467190), (232, 378585), (235, 373752), (261, 336520), (282, 311460), (290, 302868), (348, 252390), (358, 245340), (360, 243977), (376, 233595), (423, 207640), (435, 201912), (470, 186876), (522, 168260), (537, 163560), (564, 155730), (580, 151434), (696, 126195), (705, 124584), (716, 122670), (846, 103820), (870, 100956), (895, 98136), (940, 93438), (1044, 84130), (1074, 81780), (1128, 77865), (1160, 75717), (1305, 67304), (1363, 64440), (1410, 62292), (1432, 61335), (1611, 54520), (1692, 51910), (1740, 50478), (1790, 49068), (1880, 46719), (2088, 42065), (2115, 41528), (2148, 40890), (2610, 33652), (2685, 32712), (2726, 32220), (2820, 31146), (3222, 27260), (3384, 25955), (3480, 25239), (3580, 24534), (4089, 21480), (4230, 20764), (4296, 20445), (5191, 16920), (5220, 16826), (5370, 16356), (5452, 16110), (5640, 15573), (6444, 13630), (6815, 12888), (7160, 12267), (8055, 10904), (8178, 10740), (8413, 10440), (8460, 10382)]