7520940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 26836992

約数和(自身を除く): 19316052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 127, 140, 141, 180, 188, 210, 235, 252, 254, 282, 315, 329, 381, 420, 423, 470, 508, 564, 630, 635, 658, 705, 762, 846, 889, 940, 987, 1143, 1260, 1270, 1316, 1410, 1524, 1645, 1692, 1778, 1905, 1974, 2115, 2286, 2540, 2667, 2820, 2961, 3290, 3556, 3810, 3948, 4230, 4445, 4572, 4935, 5334, 5715, 5922, 5969, 6580, 7620, 8001, 8460, 8890, 9870, 10668, 11430, 11844, 11938, 13335, 14805, 16002, 17780, 17907, 19740, 22860, 23876, 26670, 29610, 29845, 32004, 35814, 40005, 41783, 53340, 53721, 59220, 59690, 71628, 80010, 83566, 89535, 107442, 119380, 125349, 160020, 167132, 179070, 208915, 214884, 250698, 268605, 358140, 376047, 417830, 501396, 537210, 626745, 752094, 835660, 1074420, 1253490, 1504188, 1880235, 2506980, 3760470, 7520940]

約数ペア:

[(1, 7520940), (2, 3760470), (3, 2506980), (4, 1880235), (5, 1504188), (6, 1253490), (7, 1074420), (9, 835660), (10, 752094), (12, 626745), (14, 537210), (15, 501396), (18, 417830), (20, 376047), (21, 358140), (28, 268605), (30, 250698), (35, 214884), (36, 208915), (42, 179070), (45, 167132), (47, 160020), (60, 125349), (63, 119380), (70, 107442), (84, 89535), (90, 83566), (94, 80010), (105, 71628), (126, 59690), (127, 59220), (140, 53721), (141, 53340), (180, 41783), (188, 40005), (210, 35814), (235, 32004), (252, 29845), (254, 29610), (282, 26670), (315, 23876), (329, 22860), (381, 19740), (420, 17907), (423, 17780), (470, 16002), (508, 14805), (564, 13335), (630, 11938), (635, 11844), (658, 11430), (705, 10668), (762, 9870), (846, 8890), (889, 8460), (940, 8001), (987, 7620), (1143, 6580), (1260, 5969), (1270, 5922), (1316, 5715), (1410, 5334), (1524, 4935), (1645, 4572), (1692, 4445), (1778, 4230), (1905, 3948), (1974, 3810), (2115, 3556), (2286, 3290), (2540, 2961), (2667, 2820)]