16680281600

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:517

約数の個数: 240

約数和(自身を含む): 43125620736

約数和(自身を除く): 26445339136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 127, 128, 155, 160, 200, 248, 254, 256, 310, 320, 331, 400, 496, 508, 512, 620, 635, 640, 662, 775, 800, 992, 1016, 1240, 1270, 1280, 1324, 1550, 1600, 1655, 1984, 2032, 2480, 2540, 2560, 2648, 3100, 3175, 3200, 3310, 3937, 3968, 4064, 4960, 5080, 5296, 6200, 6350, 6400, 6620, 7874, 7936, 8128, 8275, 9920, 10160, 10261, 10592, 12400, 12700, 12800, 13240, 15748, 15872, 16256, 16550, 19685, 19840, 20320, 20522, 21184, 24800, 25400, 26480, 31496, 32512, 33100, 39370, 39680, 40640, 41044, 42037, 42368, 49600, 50800, 51305, 52960, 62992, 65024, 66200, 78740, 79360, 81280, 82088, 84074, 84736, 98425, 99200, 101600, 102610, 105920, 125984, 132400, 157480, 162560, 164176, 168148, 169472, 196850, 198400, 203200, 205220, 210185, 211840, 251968, 256525, 264800, 314960, 325120, 328352, 336296, 393700, 396800, 406400, 410440, 420370, 423680, 503936, 513050, 529600, 629920, 656704, 672592, 787400, 812800, 820880, 840740, 847360, 1007872, 1026100, 1050925, 1059200, 1259840, 1303147, 1313408, 1345184, 1574800, 1625600, 1641760, 1681480, 2015744, 2052200, 2101850, 2118400, 2519680, 2606294, 2626816, 2690368, 3149600, 3283520, 3362960, 4104400, 4203700, 4236800, 5039360, 5212588, 5253632, 5380736, 6299200, 6515735, 6567040, 6725920, 8208800, 8407400, 10078720, 10425176, 10761472, 12598400, 13031470, 13134080, 13451840, 16417600, 16814800, 20850352, 21522944, 25196800, 26062940, 26268160, 26903680, 32578675, 32835200, 33629600, 41700704, 50393600, 52125880, 53807360, 65157350, 65670400, 67259200, 83401408, 104251760, 107614720, 130314700, 131340800, 134518400, 166802816, 208503520, 260629400, 269036800, 333605632, 417007040, 521258800, 538073600, 667211264, 834014080, 1042517600, 1668028160, 2085035200, 3336056320, 4170070400, 8340140800, 16680281600]

約数ペア:

[(1, 16680281600), (2, 8340140800), (4, 4170070400), (5, 3336056320), (8, 2085035200), (10, 1668028160), (16, 1042517600), (20, 834014080), (25, 667211264), (31, 538073600), (32, 521258800), (40, 417007040), (50, 333605632), (62, 269036800), (64, 260629400), (80, 208503520), (100, 166802816), (124, 134518400), (127, 131340800), (128, 130314700), (155, 107614720), (160, 104251760), (200, 83401408), (248, 67259200), (254, 65670400), (256, 65157350), (310, 53807360), (320, 52125880), (331, 50393600), (400, 41700704), (496, 33629600), (508, 32835200), (512, 32578675), (620, 26903680), (635, 26268160), (640, 26062940), (662, 25196800), (775, 21522944), (800, 20850352), (992, 16814800), (1016, 16417600), (1240, 13451840), (1270, 13134080), (1280, 13031470), (1324, 12598400), (1550, 10761472), (1600, 10425176), (1655, 10078720), (1984, 8407400), (2032, 8208800), (2480, 6725920), (2540, 6567040), (2560, 6515735), (2648, 6299200), (3100, 5380736), (3175, 5253632), (3200, 5212588), (3310, 5039360), (3937, 4236800), (3968, 4203700), (4064, 4104400), (4960, 3362960), (5080, 3283520), (5296, 3149600), (6200, 2690368), (6350, 2626816), (6400, 2606294), (6620, 2519680), (7874, 2118400), (7936, 2101850), (8128, 2052200), (8275, 2015744), (9920, 1681480), (10160, 1641760), (10261, 1625600), (10592, 1574800), (12400, 1345184), (12700, 1313408), (12800, 1303147), (13240, 1259840), (15748, 1059200), (15872, 1050925), (16256, 1026100), (16550, 1007872), (19685, 847360), (19840, 840740), (20320, 820880), (20522, 812800), (21184, 787400), (24800, 672592), (25400, 656704), (26480, 629920), (31496, 529600), (32512, 513050), (33100, 503936), (39370, 423680), (39680, 420370), (40640, 410440), (41044, 406400), (42037, 396800), (42368, 393700), (49600, 336296), (50800, 328352), (51305, 325120), (52960, 314960), (62992, 264800), (65024, 256525), (66200, 251968), (78740, 211840), (79360, 210185), (81280, 205220), (82088, 203200), (84074, 198400), (84736, 196850), (98425, 169472), (99200, 168148), (101600, 164176), (102610, 162560), (105920, 157480), (125984, 132400)]