1997324160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80021}}^1$

素因数の和:80056

約数の個数: 128

約数和(自身を含む): 6856284960

約数和(自身を除く): 4858960800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 80021, 160042, 240063, 320084, 400105, 480126, 640168, 800210, 960252, 1040273, 1200315, 1280336, 1600420, 1920504, 2080546, 2400630, 2560672, 3120819, 3200840, 3841008, 4161092, 4801260, 5121344, 5201365, 6241638, 6401680, 7682016, 8322184, 9602520, 10242688, 10402730, 12483276, 12803360, 15364032, 15604095, 16644368, 19205040, 20805460, 24966552, 25606720, 30728064, 31208190, 33288736, 38410080, 41610920, 49933104, 51213440, 62416380, 66577472, 76820160, 83221840, 99866208, 124832760, 133154944, 153640320, 166443680, 199732416, 249665520, 332887360, 399464832, 499331040, 665774720, 998662080, 1997324160]

約数ペア:

[(1, 1997324160), (2, 998662080), (3, 665774720), (4, 499331040), (5, 399464832), (6, 332887360), (8, 249665520), (10, 199732416), (12, 166443680), (13, 153640320), (15, 133154944), (16, 124832760), (20, 99866208), (24, 83221840), (26, 76820160), (30, 66577472), (32, 62416380), (39, 51213440), (40, 49933104), (48, 41610920), (52, 38410080), (60, 33288736), (64, 31208190), (65, 30728064), (78, 25606720), (80, 24966552), (96, 20805460), (104, 19205040), (120, 16644368), (128, 15604095), (130, 15364032), (156, 12803360), (160, 12483276), (192, 10402730), (195, 10242688), (208, 9602520), (240, 8322184), (260, 7682016), (312, 6401680), (320, 6241638), (384, 5201365), (390, 5121344), (416, 4801260), (480, 4161092), (520, 3841008), (624, 3200840), (640, 3120819), (780, 2560672), (832, 2400630), (960, 2080546), (1040, 1920504), (1248, 1600420), (1560, 1280336), (1664, 1200315), (1920, 1040273), (2080, 960252), (2496, 800210), (3120, 640168), (4160, 480126), (4992, 400105), (6240, 320084), (8320, 240063), (12480, 160042), (24960, 80021)]