1643982080

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3187}}^1$

素因数の和:3252

約数の個数: 144

約数和(自身を含む): 4378934784

約数和(自身を除く): 2734952704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 3187, 3224, 3328, 3968, 4030, 4160, 4960, 6374, 6448, 7936, 8060, 8320, 9920, 12748, 12896, 15935, 16120, 16640, 19840, 25496, 25792, 31870, 32240, 39680, 41431, 50992, 51584, 63740, 64480, 82862, 98797, 101984, 103168, 127480, 128960, 165724, 197594, 203968, 207155, 254960, 257920, 331448, 395188, 407936, 414310, 493985, 509920, 515840, 662896, 790376, 815872, 828620, 987970, 1019840, 1284361, 1325792, 1580752, 1657240, 1975940, 2039680, 2568722, 2651584, 3161504, 3314480, 3951880, 4079360, 5137444, 5303168, 6323008, 6421805, 6628960, 7903760, 10274888, 10606336, 12646016, 12843610, 13257920, 15807520, 20549776, 25292032, 25687220, 26515840, 31615040, 41099552, 51374440, 53031680, 63230080, 82199104, 102748880, 126460160, 164398208, 205497760, 328796416, 410995520, 821991040, 1643982080]

約数ペア:

[(1, 1643982080), (2, 821991040), (4, 410995520), (5, 328796416), (8, 205497760), (10, 164398208), (13, 126460160), (16, 102748880), (20, 82199104), (26, 63230080), (31, 53031680), (32, 51374440), (40, 41099552), (52, 31615040), (62, 26515840), (64, 25687220), (65, 25292032), (80, 20549776), (104, 15807520), (124, 13257920), (128, 12843610), (130, 12646016), (155, 10606336), (160, 10274888), (208, 7903760), (248, 6628960), (256, 6421805), (260, 6323008), (310, 5303168), (320, 5137444), (403, 4079360), (416, 3951880), (496, 3314480), (520, 3161504), (620, 2651584), (640, 2568722), (806, 2039680), (832, 1975940), (992, 1657240), (1040, 1580752), (1240, 1325792), (1280, 1284361), (1612, 1019840), (1664, 987970), (1984, 828620), (2015, 815872), (2080, 790376), (2480, 662896), (3187, 515840), (3224, 509920), (3328, 493985), (3968, 414310), (4030, 407936), (4160, 395188), (4960, 331448), (6374, 257920), (6448, 254960), (7936, 207155), (8060, 203968), (8320, 197594), (9920, 165724), (12748, 128960), (12896, 127480), (15935, 103168), (16120, 101984), (16640, 98797), (19840, 82862), (25496, 64480), (25792, 63740), (31870, 51584), (32240, 50992), (39680, 41431)]