1641677240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{1117}}^1$

素因数の和:1345

約数の個数: 128

約数和(自身を含む): 4395081600

約数和(自身を除く): 2753404360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 181, 203, 232, 280, 290, 362, 406, 580, 724, 812, 905, 1015, 1117, 1160, 1267, 1448, 1624, 1810, 2030, 2234, 2534, 3620, 4060, 4468, 5068, 5249, 5585, 6335, 7240, 7819, 8120, 8936, 10136, 10498, 11170, 12670, 15638, 20996, 22340, 25340, 26245, 31276, 32393, 36743, 39095, 41992, 44680, 50680, 52490, 62552, 64786, 73486, 78190, 104980, 129572, 146972, 156380, 161965, 183715, 202177, 209960, 226751, 259144, 293944, 312760, 323930, 367430, 404354, 453502, 647860, 734860, 808708, 907004, 1010885, 1133755, 1295720, 1415239, 1469720, 1617416, 1814008, 2021770, 2267510, 2830478, 4043540, 4535020, 5660956, 5863133, 7076195, 8087080, 9070040, 11321912, 11726266, 14152390, 23452532, 28304780, 29315665, 41041931, 46905064, 56609560, 58631330, 82083862, 117262660, 164167724, 205209655, 234525320, 328335448, 410419310, 820838620, 1641677240]

約数ペア:

[(1, 1641677240), (2, 820838620), (4, 410419310), (5, 328335448), (7, 234525320), (8, 205209655), (10, 164167724), (14, 117262660), (20, 82083862), (28, 58631330), (29, 56609560), (35, 46905064), (40, 41041931), (56, 29315665), (58, 28304780), (70, 23452532), (116, 14152390), (140, 11726266), (145, 11321912), (181, 9070040), (203, 8087080), (232, 7076195), (280, 5863133), (290, 5660956), (362, 4535020), (406, 4043540), (580, 2830478), (724, 2267510), (812, 2021770), (905, 1814008), (1015, 1617416), (1117, 1469720), (1160, 1415239), (1267, 1295720), (1448, 1133755), (1624, 1010885), (1810, 907004), (2030, 808708), (2234, 734860), (2534, 647860), (3620, 453502), (4060, 404354), (4468, 367430), (5068, 323930), (5249, 312760), (5585, 293944), (6335, 259144), (7240, 226751), (7819, 209960), (8120, 202177), (8936, 183715), (10136, 161965), (10498, 156380), (11170, 146972), (12670, 129572), (15638, 104980), (20996, 78190), (22340, 73486), (25340, 64786), (26245, 62552), (31276, 52490), (32393, 50680), (36743, 44680), (39095, 41992)]