2045505920

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1759}}^1$

素因数の和:1880

約数の個数: 128

約数和(自身を含む): 5170176000

約数和(自身を除く): 3124670080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 79, 80, 92, 115, 128, 158, 160, 184, 230, 316, 320, 368, 395, 460, 632, 640, 736, 790, 920, 1264, 1472, 1580, 1759, 1817, 1840, 2528, 2944, 3160, 3518, 3634, 3680, 5056, 6320, 7036, 7268, 7360, 8795, 9085, 10112, 12640, 14072, 14536, 14720, 17590, 18170, 25280, 28144, 29072, 35180, 36340, 40457, 50560, 56288, 58144, 70360, 72680, 80914, 112576, 116288, 138961, 140720, 145360, 161828, 202285, 225152, 232576, 277922, 281440, 290720, 323656, 404570, 555844, 562880, 581440, 647312, 694805, 809140, 1111688, 1125760, 1162880, 1294624, 1389610, 1618280, 2223376, 2589248, 2779220, 3196103, 3236560, 4446752, 5178496, 5558440, 6392206, 6473120, 8893504, 11116880, 12784412, 12946240, 15980515, 17787008, 22233760, 25568824, 25892480, 31961030, 44467520, 51137648, 63922060, 88935040, 102275296, 127844120, 204550592, 255688240, 409101184, 511376480, 1022752960, 2045505920]

約数ペア:

[(1, 2045505920), (2, 1022752960), (4, 511376480), (5, 409101184), (8, 255688240), (10, 204550592), (16, 127844120), (20, 102275296), (23, 88935040), (32, 63922060), (40, 51137648), (46, 44467520), (64, 31961030), (79, 25892480), (80, 25568824), (92, 22233760), (115, 17787008), (128, 15980515), (158, 12946240), (160, 12784412), (184, 11116880), (230, 8893504), (316, 6473120), (320, 6392206), (368, 5558440), (395, 5178496), (460, 4446752), (632, 3236560), (640, 3196103), (736, 2779220), (790, 2589248), (920, 2223376), (1264, 1618280), (1472, 1389610), (1580, 1294624), (1759, 1162880), (1817, 1125760), (1840, 1111688), (2528, 809140), (2944, 694805), (3160, 647312), (3518, 581440), (3634, 562880), (3680, 555844), (5056, 404570), (6320, 323656), (7036, 290720), (7268, 281440), (7360, 277922), (8795, 232576), (9085, 225152), (10112, 202285), (12640, 161828), (14072, 145360), (14536, 140720), (14720, 138961), (17590, 116288), (18170, 112576), (25280, 80914), (28144, 72680), (29072, 70360), (35180, 58144), (36340, 56288), (40457, 50560)]