1549591420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:732

約数の個数: 144

約数和(自身を含む): 3801434112

約数和(自身を除く): 2251842692

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 52, 62, 65, 92, 115, 124, 130, 155, 169, 230, 260, 299, 310, 338, 403, 460, 598, 620, 643, 676, 713, 806, 845, 1196, 1286, 1426, 1495, 1612, 1690, 2015, 2572, 2852, 2990, 3215, 3380, 3565, 3887, 4030, 5239, 5980, 6430, 7130, 7774, 8060, 8359, 9269, 10478, 12860, 14260, 14789, 15548, 16718, 18538, 19435, 19933, 20956, 26195, 29578, 33436, 37076, 38870, 39866, 41795, 46345, 52390, 59156, 73945, 77740, 79732, 83590, 92690, 99665, 104780, 108667, 120497, 147890, 167180, 185380, 192257, 199330, 217334, 240994, 259129, 295780, 384514, 398660, 434668, 458459, 481988, 518258, 543335, 602485, 769028, 916918, 961285, 1036516, 1086670, 1204970, 1295645, 1833836, 1922570, 2173340, 2292295, 2409940, 2499341, 2591290, 3368677, 3845140, 4584590, 4998682, 5182580, 5959967, 6737354, 9169180, 9997364, 11919934, 12496705, 13474708, 16843385, 23839868, 24993410, 29799835, 33686770, 49986820, 59599670, 67373540, 77479571, 119199340, 154959142, 309918284, 387397855, 774795710, 1549591420]

約数ペア:

[(1, 1549591420), (2, 774795710), (4, 387397855), (5, 309918284), (10, 154959142), (13, 119199340), (20, 77479571), (23, 67373540), (26, 59599670), (31, 49986820), (46, 33686770), (52, 29799835), (62, 24993410), (65, 23839868), (92, 16843385), (115, 13474708), (124, 12496705), (130, 11919934), (155, 9997364), (169, 9169180), (230, 6737354), (260, 5959967), (299, 5182580), (310, 4998682), (338, 4584590), (403, 3845140), (460, 3368677), (598, 2591290), (620, 2499341), (643, 2409940), (676, 2292295), (713, 2173340), (806, 1922570), (845, 1833836), (1196, 1295645), (1286, 1204970), (1426, 1086670), (1495, 1036516), (1612, 961285), (1690, 916918), (2015, 769028), (2572, 602485), (2852, 543335), (2990, 518258), (3215, 481988), (3380, 458459), (3565, 434668), (3887, 398660), (4030, 384514), (5239, 295780), (5980, 259129), (6430, 240994), (7130, 217334), (7774, 199330), (8060, 192257), (8359, 185380), (9269, 167180), (10478, 147890), (12860, 120497), (14260, 108667), (14789, 104780), (15548, 99665), (16718, 92690), (18538, 83590), (19435, 79732), (19933, 77740), (20956, 73945), (26195, 59156), (29578, 52390), (33436, 46345), (37076, 41795), (38870, 39866)]