1263177890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2539}}^1$

素因数の和:2691

約数の個数: 64

約数和(自身を含む): 2534716800

約数和(自身を除く): 1271538910

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 89, 130, 178, 215, 430, 445, 559, 890, 1118, 1157, 2314, 2539, 2795, 3827, 5078, 5590, 5785, 7654, 11570, 12695, 19135, 25390, 33007, 38270, 49751, 66014, 99502, 109177, 165035, 218354, 225971, 248755, 330070, 451942, 497510, 545885, 1091770, 1129855, 1419301, 2259710, 2838602, 2937623, 5875246, 7096505, 9716753, 14193010, 14688115, 19433506, 29376230, 48583765, 97167530, 126317789, 252635578, 631588945, 1263177890]

約数ペア:

[(1, 1263177890), (2, 631588945), (5, 252635578), (10, 126317789), (13, 97167530), (26, 48583765), (43, 29376230), (65, 19433506), (86, 14688115), (89, 14193010), (130, 9716753), (178, 7096505), (215, 5875246), (430, 2937623), (445, 2838602), (559, 2259710), (890, 1419301), (1118, 1129855), (1157, 1091770), (2314, 545885), (2539, 497510), (2795, 451942), (3827, 330070), (5078, 248755), (5590, 225971), (5785, 218354), (7654, 165035), (11570, 109177), (12695, 99502), (19135, 66014), (25390, 49751), (33007, 38270)]