78026940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:668

約数の個数: 144

約数和(自身を含む): 256864608

約数和(自身を除く): 178837668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 510, 516, 593, 612, 645, 731, 765, 774, 860, 1020, 1186, 1290, 1462, 1530, 1548, 1779, 1935, 2193, 2372, 2580, 2924, 2965, 3060, 3558, 3655, 3870, 4386, 5337, 5930, 6579, 7116, 7310, 7740, 8772, 8895, 10081, 10674, 10965, 11860, 13158, 14620, 17790, 20162, 21348, 21930, 25499, 26316, 26685, 30243, 32895, 35580, 40324, 43860, 50405, 50998, 53370, 60486, 65790, 76497, 90729, 100810, 101996, 106740, 120972, 127495, 131580, 151215, 152994, 181458, 201620, 229491, 254990, 302430, 305988, 362916, 382485, 433483, 453645, 458982, 509980, 604860, 764970, 866966, 907290, 917964, 1147455, 1300449, 1529940, 1733932, 1814580, 2167415, 2294910, 2600898, 3901347, 4334830, 4589820, 5201796, 6502245, 7802694, 8669660, 13004490, 15605388, 19506735, 26008980, 39013470, 78026940]

約数ペア:

[(1, 78026940), (2, 39013470), (3, 26008980), (4, 19506735), (5, 15605388), (6, 13004490), (9, 8669660), (10, 7802694), (12, 6502245), (15, 5201796), (17, 4589820), (18, 4334830), (20, 3901347), (30, 2600898), (34, 2294910), (36, 2167415), (43, 1814580), (45, 1733932), (51, 1529940), (60, 1300449), (68, 1147455), (85, 917964), (86, 907290), (90, 866966), (102, 764970), (129, 604860), (153, 509980), (170, 458982), (172, 453645), (180, 433483), (204, 382485), (215, 362916), (255, 305988), (258, 302430), (306, 254990), (340, 229491), (387, 201620), (430, 181458), (510, 152994), (516, 151215), (593, 131580), (612, 127495), (645, 120972), (731, 106740), (765, 101996), (774, 100810), (860, 90729), (1020, 76497), (1186, 65790), (1290, 60486), (1462, 53370), (1530, 50998), (1548, 50405), (1779, 43860), (1935, 40324), (2193, 35580), (2372, 32895), (2580, 30243), (2924, 26685), (2965, 26316), (3060, 25499), (3558, 21930), (3655, 21348), (3870, 20162), (4386, 17790), (5337, 14620), (5930, 13158), (6579, 11860), (7116, 10965), (7310, 10674), (7740, 10081), (8772, 8895)]