1998220800

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3061}}^1$

素因数の和:3109

約数の個数: 240

約数和(自身を含む): 6991574832

約数和(自身を除く): 4993354032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 128, 136, 150, 160, 170, 192, 200, 204, 240, 255, 256, 272, 300, 320, 340, 384, 400, 408, 425, 480, 510, 512, 544, 600, 640, 680, 768, 800, 816, 850, 960, 1020, 1088, 1200, 1275, 1280, 1360, 1536, 1600, 1632, 1700, 1920, 2040, 2176, 2400, 2550, 2560, 2720, 3061, 3200, 3264, 3400, 3840, 4080, 4352, 4800, 5100, 5440, 6122, 6400, 6528, 6800, 7680, 8160, 8704, 9183, 9600, 10200, 10880, 12244, 12800, 13056, 13600, 15305, 16320, 18366, 19200, 20400, 21760, 24488, 26112, 27200, 30610, 32640, 36732, 38400, 40800, 43520, 45915, 48976, 52037, 54400, 61220, 65280, 73464, 76525, 81600, 91830, 97952, 104074, 108800, 122440, 130560, 146928, 153050, 156111, 163200, 183660, 195904, 208148, 217600, 229575, 244880, 260185, 293856, 306100, 312222, 326400, 367320, 391808, 416296, 459150, 489760, 520370, 587712, 612200, 624444, 652800, 734640, 780555, 783616, 832592, 918300, 979520, 1040740, 1175424, 1224400, 1248888, 1300925, 1469280, 1561110, 1567232, 1665184, 1836600, 1959040, 2081480, 2350848, 2448800, 2497776, 2601850, 2938560, 3122220, 3330368, 3673200, 3902775, 3918080, 4162960, 4701696, 4897600, 4995552, 5203700, 5877120, 6244440, 6660736, 7346400, 7805550, 7836160, 8325920, 9795200, 9991104, 10407400, 11754240, 12488880, 13321472, 14692800, 15611100, 16651840, 19590400, 19982208, 20814800, 23508480, 24977760, 26642944, 29385600, 31222200, 33303680, 39180800, 39964416, 41629600, 49955520, 58771200, 62444400, 66607360, 79928832, 83259200, 99911040, 117542400, 124888800, 133214720, 166518400, 199822080, 249777600, 333036800, 399644160, 499555200, 666073600, 999110400, 1998220800]

約数ペア:

[(1, 1998220800), (2, 999110400), (3, 666073600), (4, 499555200), (5, 399644160), (6, 333036800), (8, 249777600), (10, 199822080), (12, 166518400), (15, 133214720), (16, 124888800), (17, 117542400), (20, 99911040), (24, 83259200), (25, 79928832), (30, 66607360), (32, 62444400), (34, 58771200), (40, 49955520), (48, 41629600), (50, 39964416), (51, 39180800), (60, 33303680), (64, 31222200), (68, 29385600), (75, 26642944), (80, 24977760), (85, 23508480), (96, 20814800), (100, 19982208), (102, 19590400), (120, 16651840), (128, 15611100), (136, 14692800), (150, 13321472), (160, 12488880), (170, 11754240), (192, 10407400), (200, 9991104), (204, 9795200), (240, 8325920), (255, 7836160), (256, 7805550), (272, 7346400), (300, 6660736), (320, 6244440), (340, 5877120), (384, 5203700), (400, 4995552), (408, 4897600), (425, 4701696), (480, 4162960), (510, 3918080), (512, 3902775), (544, 3673200), (600, 3330368), (640, 3122220), (680, 2938560), (768, 2601850), (800, 2497776), (816, 2448800), (850, 2350848), (960, 2081480), (1020, 1959040), (1088, 1836600), (1200, 1665184), (1275, 1567232), (1280, 1561110), (1360, 1469280), (1536, 1300925), (1600, 1248888), (1632, 1224400), (1700, 1175424), (1920, 1040740), (2040, 979520), (2176, 918300), (2400, 832592), (2550, 783616), (2560, 780555), (2720, 734640), (3061, 652800), (3200, 624444), (3264, 612200), (3400, 587712), (3840, 520370), (4080, 489760), (4352, 459150), (4800, 416296), (5100, 391808), (5440, 367320), (6122, 326400), (6400, 312222), (6528, 306100), (6800, 293856), (7680, 260185), (8160, 244880), (8704, 229575), (9183, 217600), (9600, 208148), (10200, 195904), (10880, 183660), (12244, 163200), (12800, 156111), (13056, 153050), (13600, 146928), (15305, 130560), (16320, 122440), (18366, 108800), (19200, 104074), (20400, 97952), (21760, 91830), (24488, 81600), (26112, 76525), (27200, 73464), (30610, 65280), (32640, 61220), (36732, 54400), (38400, 52037), (40800, 48976), (43520, 45915)]