20512679400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{670349}}^1$

素因数の和:670388

約数の個数: 144

約数和(自身を含む): 72940783500

約数和(自身を除く): 52428104100

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 50, 51, 60, 68, 72, 75, 85, 90, 100, 102, 120, 136, 150, 153, 170, 180, 200, 204, 225, 255, 300, 306, 340, 360, 408, 425, 450, 510, 600, 612, 680, 765, 850, 900, 1020, 1224, 1275, 1530, 1700, 1800, 2040, 2550, 3060, 3400, 3825, 5100, 6120, 7650, 10200, 15300, 30600, 670349, 1340698, 2011047, 2681396, 3351745, 4022094, 5362792, 6033141, 6703490, 8044188, 10055235, 11395933, 12066282, 13406980, 16088376, 16758725, 20110470, 22791866, 24132564, 26813960, 30165705, 33517450, 34187799, 40220940, 45583732, 48265128, 50276175, 56979665, 60331410, 67034900, 68375598, 80441880, 91167464, 100552350, 102563397, 113959330, 120662820, 134069800, 136751196, 150828525, 170938995, 201104700, 205126794, 227918660, 241325640, 273502392, 284898325, 301657050, 341877990, 402209400, 410253588, 455837320, 512816985, 569796650, 603314100, 683755980, 820507176, 854694975, 1025633970, 1139593300, 1206628200, 1367511960, 1709389950, 2051267940, 2279186600, 2564084925, 3418779900, 4102535880, 5128169850, 6837559800, 10256339700, 20512679400]

約数ペア:

[(1, 20512679400), (2, 10256339700), (3, 6837559800), (4, 5128169850), (5, 4102535880), (6, 3418779900), (8, 2564084925), (9, 2279186600), (10, 2051267940), (12, 1709389950), (15, 1367511960), (17, 1206628200), (18, 1139593300), (20, 1025633970), (24, 854694975), (25, 820507176), (30, 683755980), (34, 603314100), (36, 569796650), (40, 512816985), (45, 455837320), (50, 410253588), (51, 402209400), (60, 341877990), (68, 301657050), (72, 284898325), (75, 273502392), (85, 241325640), (90, 227918660), (100, 205126794), (102, 201104700), (120, 170938995), (136, 150828525), (150, 136751196), (153, 134069800), (170, 120662820), (180, 113959330), (200, 102563397), (204, 100552350), (225, 91167464), (255, 80441880), (300, 68375598), (306, 67034900), (340, 60331410), (360, 56979665), (408, 50276175), (425, 48265128), (450, 45583732), (510, 40220940), (600, 34187799), (612, 33517450), (680, 30165705), (765, 26813960), (850, 24132564), (900, 22791866), (1020, 20110470), (1224, 16758725), (1275, 16088376), (1530, 13406980), (1700, 12066282), (1800, 11395933), (2040, 10055235), (2550, 8044188), (3060, 6703490), (3400, 6033141), (3825, 5362792), (5100, 4022094), (6120, 3351745), (7650, 2681396), (10200, 2011047), (15300, 1340698), (30600, 670349)]