128384340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17981}}^1$

素因数の和:18017

約数の個数: 96

約数和(自身を含む): 435020544

約数和(自身を除く): 306636204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 17981, 35962, 53943, 71924, 89905, 107886, 125867, 179810, 215772, 251734, 269715, 305677, 359620, 377601, 503468, 539430, 611354, 629335, 755202, 917031, 1078860, 1222708, 1258670, 1510404, 1528385, 1834062, 1888005, 2139739, 2517340, 3056770, 3668124, 3776010, 4279478, 4585155, 6113540, 6419217, 7552020, 8558956, 9170310, 10698695, 12838434, 18340620, 21397390, 25676868, 32096085, 42794780, 64192170, 128384340]

約数ペア:

[(1, 128384340), (2, 64192170), (3, 42794780), (4, 32096085), (5, 25676868), (6, 21397390), (7, 18340620), (10, 12838434), (12, 10698695), (14, 9170310), (15, 8558956), (17, 7552020), (20, 6419217), (21, 6113540), (28, 4585155), (30, 4279478), (34, 3776010), (35, 3668124), (42, 3056770), (51, 2517340), (60, 2139739), (68, 1888005), (70, 1834062), (84, 1528385), (85, 1510404), (102, 1258670), (105, 1222708), (119, 1078860), (140, 917031), (170, 755202), (204, 629335), (210, 611354), (238, 539430), (255, 503468), (340, 377601), (357, 359620), (420, 305677), (476, 269715), (510, 251734), (595, 215772), (714, 179810), (1020, 125867), (1190, 107886), (1428, 89905), (1785, 71924), (2380, 53943), (3570, 35962), (7140, 17981)]