128914740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 444939264

約数和(自身を除く): 316024524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 45, 51, 54, 60, 62, 68, 81, 85, 90, 93, 102, 108, 124, 135, 151, 153, 155, 162, 170, 180, 186, 204, 255, 270, 279, 302, 306, 310, 324, 340, 372, 405, 453, 459, 465, 510, 527, 540, 558, 604, 612, 620, 755, 765, 810, 837, 906, 918, 930, 1020, 1054, 1116, 1359, 1377, 1395, 1510, 1530, 1581, 1620, 1674, 1812, 1836, 1860, 2108, 2265, 2295, 2511, 2567, 2635, 2718, 2754, 2790, 3020, 3060, 3162, 3348, 4077, 4185, 4530, 4590, 4681, 4743, 5022, 5134, 5270, 5436, 5508, 5580, 6324, 6795, 6885, 7701, 7905, 8154, 8370, 9060, 9180, 9362, 9486, 10044, 10268, 10540, 12231, 12555, 12835, 13590, 13770, 14043, 14229, 15402, 15810, 16308, 16740, 18724, 18972, 20385, 23103, 23405, 23715, 24462, 25110, 25670, 27180, 27540, 28086, 28458, 30804, 31620, 38505, 40770, 42129, 42687, 46206, 46810, 47430, 48924, 50220, 51340, 56172, 56916, 61155, 69309, 70215, 71145, 77010, 79577, 81540, 84258, 85374, 92412, 93620, 94860, 115515, 122310, 126387, 138618, 140430, 142290, 154020, 159154, 168516, 170748, 207927, 210645, 213435, 231030, 238731, 244620, 252774, 277236, 280860, 284580, 318308, 346545, 379161, 397885, 415854, 421290, 426870, 462060, 477462, 505548, 631935, 693090, 716193, 758322, 795770, 831708, 842580, 853740, 954924, 1039635, 1193655, 1263870, 1386180, 1432386, 1516644, 1591540, 1895805, 2079270, 2148579, 2387310, 2527740, 2864772, 3580965, 3791610, 4158540, 4297158, 4774620, 6445737, 7161930, 7583220, 8594316, 10742895, 12891474, 14323860, 21485790, 25782948, 32228685, 42971580, 64457370, 128914740]

約数ペア:

[(1, 128914740), (2, 64457370), (3, 42971580), (4, 32228685), (5, 25782948), (6, 21485790), (9, 14323860), (10, 12891474), (12, 10742895), (15, 8594316), (17, 7583220), (18, 7161930), (20, 6445737), (27, 4774620), (30, 4297158), (31, 4158540), (34, 3791610), (36, 3580965), (45, 2864772), (51, 2527740), (54, 2387310), (60, 2148579), (62, 2079270), (68, 1895805), (81, 1591540), (85, 1516644), (90, 1432386), (93, 1386180), (102, 1263870), (108, 1193655), (124, 1039635), (135, 954924), (151, 853740), (153, 842580), (155, 831708), (162, 795770), (170, 758322), (180, 716193), (186, 693090), (204, 631935), (255, 505548), (270, 477462), (279, 462060), (302, 426870), (306, 421290), (310, 415854), (324, 397885), (340, 379161), (372, 346545), (405, 318308), (453, 284580), (459, 280860), (465, 277236), (510, 252774), (527, 244620), (540, 238731), (558, 231030), (604, 213435), (612, 210645), (620, 207927), (755, 170748), (765, 168516), (810, 159154), (837, 154020), (906, 142290), (918, 140430), (930, 138618), (1020, 126387), (1054, 122310), (1116, 115515), (1359, 94860), (1377, 93620), (1395, 92412), (1510, 85374), (1530, 84258), (1581, 81540), (1620, 79577), (1674, 77010), (1812, 71145), (1836, 70215), (1860, 69309), (2108, 61155), (2265, 56916), (2295, 56172), (2511, 51340), (2567, 50220), (2635, 48924), (2718, 47430), (2754, 46810), (2790, 46206), (3020, 42687), (3060, 42129), (3162, 40770), (3348, 38505), (4077, 31620), (4185, 30804), (4530, 28458), (4590, 28086), (4681, 27540), (4743, 27180), (5022, 25670), (5134, 25110), (5270, 24462), (5436, 23715), (5508, 23405), (5580, 23103), (6324, 20385), (6795, 18972), (6885, 18724), (7701, 16740), (7905, 16308), (8154, 15810), (8370, 15402), (9060, 14229), (9180, 14043), (9362, 13770), (9486, 13590), (10044, 12835), (10268, 12555), (10540, 12231)]