128761740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1451}}^1$

素因数の和:1512

約数の個数: 144

約数和(自身を含む): 428107680

約数和(自身を除く): 299345940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 870, 986, 1020, 1044, 1305, 1451, 1479, 1530, 1740, 1972, 2465, 2610, 2902, 2958, 3060, 4353, 4437, 4930, 5220, 5804, 5916, 7255, 7395, 8706, 8874, 9860, 13059, 14510, 14790, 17412, 17748, 21765, 22185, 24667, 26118, 29020, 29580, 42079, 43530, 44370, 49334, 52236, 65295, 74001, 84158, 87060, 88740, 98668, 123335, 126237, 130590, 148002, 168316, 210395, 222003, 246670, 252474, 261180, 296004, 370005, 378711, 420790, 444006, 493340, 504948, 631185, 715343, 740010, 757422, 841580, 888012, 1110015, 1262370, 1430686, 1480020, 1514844, 1893555, 2146029, 2220030, 2524740, 2861372, 3576715, 3787110, 4292058, 4440060, 6438087, 7153430, 7574220, 8584116, 10730145, 12876174, 14306860, 21460290, 25752348, 32190435, 42920580, 64380870, 128761740]

約数ペア:

[(1, 128761740), (2, 64380870), (3, 42920580), (4, 32190435), (5, 25752348), (6, 21460290), (9, 14306860), (10, 12876174), (12, 10730145), (15, 8584116), (17, 7574220), (18, 7153430), (20, 6438087), (29, 4440060), (30, 4292058), (34, 3787110), (36, 3576715), (45, 2861372), (51, 2524740), (58, 2220030), (60, 2146029), (68, 1893555), (85, 1514844), (87, 1480020), (90, 1430686), (102, 1262370), (116, 1110015), (145, 888012), (153, 841580), (170, 757422), (174, 740010), (180, 715343), (204, 631185), (255, 504948), (261, 493340), (290, 444006), (306, 420790), (340, 378711), (348, 370005), (435, 296004), (493, 261180), (510, 252474), (522, 246670), (580, 222003), (612, 210395), (765, 168316), (870, 148002), (986, 130590), (1020, 126237), (1044, 123335), (1305, 98668), (1451, 88740), (1479, 87060), (1530, 84158), (1740, 74001), (1972, 65295), (2465, 52236), (2610, 49334), (2902, 44370), (2958, 43530), (3060, 42079), (4353, 29580), (4437, 29020), (4930, 26118), (5220, 24667), (5804, 22185), (5916, 21765), (7255, 17748), (7395, 17412), (8706, 14790), (8874, 14510), (9860, 13059)]