158733640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 408038400

約数和(自身を除く): 249304760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 43, 52, 62, 65, 86, 104, 124, 130, 155, 172, 215, 229, 248, 260, 310, 344, 403, 430, 458, 520, 559, 620, 806, 860, 916, 1118, 1145, 1240, 1333, 1612, 1720, 1832, 2015, 2236, 2290, 2666, 2795, 2977, 3224, 4030, 4472, 4580, 5332, 5590, 5954, 6665, 7099, 8060, 9160, 9847, 10664, 11180, 11908, 13330, 14198, 14885, 16120, 17329, 19694, 22360, 23816, 26660, 28396, 29770, 34658, 35495, 39388, 49235, 53320, 56792, 59540, 69316, 70990, 78776, 86645, 92287, 98470, 119080, 128011, 138632, 141980, 173290, 184574, 196940, 256022, 283960, 305257, 346580, 369148, 393880, 461435, 512044, 610514, 640055, 693160, 738296, 922870, 1024088, 1221028, 1280110, 1526285, 1845740, 2442056, 2560220, 3052570, 3691480, 3968341, 5120440, 6105140, 7936682, 12210280, 15873364, 19841705, 31746728, 39683410, 79366820, 158733640]

約数ペア:

[(1, 158733640), (2, 79366820), (4, 39683410), (5, 31746728), (8, 19841705), (10, 15873364), (13, 12210280), (20, 7936682), (26, 6105140), (31, 5120440), (40, 3968341), (43, 3691480), (52, 3052570), (62, 2560220), (65, 2442056), (86, 1845740), (104, 1526285), (124, 1280110), (130, 1221028), (155, 1024088), (172, 922870), (215, 738296), (229, 693160), (248, 640055), (260, 610514), (310, 512044), (344, 461435), (403, 393880), (430, 369148), (458, 346580), (520, 305257), (559, 283960), (620, 256022), (806, 196940), (860, 184574), (916, 173290), (1118, 141980), (1145, 138632), (1240, 128011), (1333, 119080), (1612, 98470), (1720, 92287), (1832, 86645), (2015, 78776), (2236, 70990), (2290, 69316), (2666, 59540), (2795, 56792), (2977, 53320), (3224, 49235), (4030, 39388), (4472, 35495), (4580, 34658), (5332, 29770), (5590, 28396), (5954, 26660), (6665, 23816), (7099, 22360), (8060, 19694), (9160, 17329), (9847, 16120), (10664, 14885), (11180, 14198), (11908, 13330)]