1520778420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{28069}}^1$

素因数の和:28134

約数の個数: 144

約数和(自身を含む): 5394829440

約数和(自身を除く): 3874051020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3612, 3870, 4515, 5418, 6020, 7740, 9030, 10836, 13545, 18060, 27090, 28069, 54180, 56138, 84207, 112276, 140345, 168414, 196483, 252621, 280690, 336828, 392966, 421035, 505242, 561380, 589449, 785932, 842070, 982415, 1010484, 1178898, 1206967, 1263105, 1684140, 1768347, 1964830, 2357796, 2413934, 2526210, 2947245, 3536694, 3620901, 3929660, 4827868, 5052420, 5894490, 6034835, 7073388, 7241802, 8448769, 8841735, 10862703, 11788980, 12069670, 14483604, 16897538, 17683470, 18104505, 21725406, 24139340, 25346307, 33795076, 35366940, 36209010, 42243845, 43450812, 50692614, 54313515, 72418020, 76038921, 84487690, 101385228, 108627030, 126731535, 152077842, 168975380, 217254060, 253463070, 304155684, 380194605, 506926140, 760389210, 1520778420]

約数ペア:

[(1, 1520778420), (2, 760389210), (3, 506926140), (4, 380194605), (5, 304155684), (6, 253463070), (7, 217254060), (9, 168975380), (10, 152077842), (12, 126731535), (14, 108627030), (15, 101385228), (18, 84487690), (20, 76038921), (21, 72418020), (28, 54313515), (30, 50692614), (35, 43450812), (36, 42243845), (42, 36209010), (43, 35366940), (45, 33795076), (60, 25346307), (63, 24139340), (70, 21725406), (84, 18104505), (86, 17683470), (90, 16897538), (105, 14483604), (126, 12069670), (129, 11788980), (140, 10862703), (172, 8841735), (180, 8448769), (210, 7241802), (215, 7073388), (252, 6034835), (258, 5894490), (301, 5052420), (315, 4827868), (387, 3929660), (420, 3620901), (430, 3536694), (516, 2947245), (602, 2526210), (630, 2413934), (645, 2357796), (774, 1964830), (860, 1768347), (903, 1684140), (1204, 1263105), (1260, 1206967), (1290, 1178898), (1505, 1010484), (1548, 982415), (1806, 842070), (1935, 785932), (2580, 589449), (2709, 561380), (3010, 505242), (3612, 421035), (3870, 392966), (4515, 336828), (5418, 280690), (6020, 252621), (7740, 196483), (9030, 168414), (10836, 140345), (13545, 112276), (18060, 84207), (27090, 56138), (28069, 54180)]