1780414720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1823}}^1$

素因数の和:1960

約数の個数: 144

約数和(自身を含む): 4921297920

約数和(自身を除く): 3140883200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 109, 112, 128, 140, 160, 218, 224, 256, 280, 320, 436, 448, 545, 560, 640, 763, 872, 896, 1090, 1120, 1280, 1526, 1744, 1792, 1823, 2180, 2240, 3052, 3488, 3646, 3815, 4360, 4480, 6104, 6976, 7292, 7630, 8720, 8960, 9115, 12208, 12761, 13952, 14584, 15260, 17440, 18230, 24416, 25522, 27904, 29168, 30520, 34880, 36460, 48832, 51044, 58336, 61040, 63805, 69760, 72920, 97664, 102088, 116672, 122080, 127610, 139520, 145840, 195328, 198707, 204176, 233344, 244160, 255220, 291680, 397414, 408352, 466688, 488320, 510440, 583360, 794828, 816704, 976640, 993535, 1020880, 1166720, 1390949, 1589656, 1633408, 1987070, 2041760, 2333440, 2781898, 3179312, 3266816, 3974140, 4083520, 5563796, 6358624, 6954745, 7948280, 8167040, 11127592, 12717248, 13909490, 15896560, 16334080, 22255184, 25434496, 27818980, 31793120, 44510368, 50868992, 55637960, 63586240, 89020736, 111275920, 127172480, 178041472, 222551840, 254344960, 356082944, 445103680, 890207360, 1780414720]

約数ペア:

[(1, 1780414720), (2, 890207360), (4, 445103680), (5, 356082944), (7, 254344960), (8, 222551840), (10, 178041472), (14, 127172480), (16, 111275920), (20, 89020736), (28, 63586240), (32, 55637960), (35, 50868992), (40, 44510368), (56, 31793120), (64, 27818980), (70, 25434496), (80, 22255184), (109, 16334080), (112, 15896560), (128, 13909490), (140, 12717248), (160, 11127592), (218, 8167040), (224, 7948280), (256, 6954745), (280, 6358624), (320, 5563796), (436, 4083520), (448, 3974140), (545, 3266816), (560, 3179312), (640, 2781898), (763, 2333440), (872, 2041760), (896, 1987070), (1090, 1633408), (1120, 1589656), (1280, 1390949), (1526, 1166720), (1744, 1020880), (1792, 993535), (1823, 976640), (2180, 816704), (2240, 794828), (3052, 583360), (3488, 510440), (3646, 488320), (3815, 466688), (4360, 408352), (4480, 397414), (6104, 291680), (6976, 255220), (7292, 244160), (7630, 233344), (8720, 204176), (8960, 198707), (9115, 195328), (12208, 145840), (12761, 139520), (13952, 127610), (14584, 122080), (15260, 116672), (17440, 102088), (18230, 97664), (24416, 72920), (25522, 69760), (27904, 63805), (29168, 61040), (30520, 58336), (34880, 51044), (36460, 48832)]