247145940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:958

約数の個数: 144

約数和(自身を含む): 788755968

約数和(自身を除く): 541610028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 43, 45, 60, 74, 86, 90, 111, 129, 148, 172, 180, 185, 215, 222, 258, 333, 370, 387, 430, 444, 516, 555, 645, 666, 740, 774, 860, 863, 1110, 1290, 1332, 1548, 1591, 1665, 1726, 1935, 2220, 2580, 2589, 3182, 3330, 3452, 3870, 4315, 4773, 5178, 6364, 6660, 7740, 7767, 7955, 8630, 9546, 10356, 12945, 14319, 15534, 15910, 17260, 19092, 23865, 25890, 28638, 31068, 31820, 31931, 37109, 38835, 47730, 51780, 57276, 63862, 71595, 74218, 77670, 95460, 95793, 111327, 127724, 143190, 148436, 155340, 159655, 185545, 191586, 222654, 286380, 287379, 319310, 333981, 371090, 383172, 445308, 478965, 556635, 574758, 638620, 667962, 742180, 957930, 1113270, 1149516, 1335924, 1373033, 1436895, 1669905, 1915860, 2226540, 2746066, 2873790, 3339810, 4119099, 5492132, 5747580, 6679620, 6865165, 8238198, 12357297, 13730330, 16476396, 20595495, 24714594, 27460660, 41190990, 49429188, 61786485, 82381980, 123572970, 247145940]

約数ペア:

[(1, 247145940), (2, 123572970), (3, 82381980), (4, 61786485), (5, 49429188), (6, 41190990), (9, 27460660), (10, 24714594), (12, 20595495), (15, 16476396), (18, 13730330), (20, 12357297), (30, 8238198), (36, 6865165), (37, 6679620), (43, 5747580), (45, 5492132), (60, 4119099), (74, 3339810), (86, 2873790), (90, 2746066), (111, 2226540), (129, 1915860), (148, 1669905), (172, 1436895), (180, 1373033), (185, 1335924), (215, 1149516), (222, 1113270), (258, 957930), (333, 742180), (370, 667962), (387, 638620), (430, 574758), (444, 556635), (516, 478965), (555, 445308), (645, 383172), (666, 371090), (740, 333981), (774, 319310), (860, 287379), (863, 286380), (1110, 222654), (1290, 191586), (1332, 185545), (1548, 159655), (1591, 155340), (1665, 148436), (1726, 143190), (1935, 127724), (2220, 111327), (2580, 95793), (2589, 95460), (3182, 77670), (3330, 74218), (3452, 71595), (3870, 63862), (4315, 57276), (4773, 51780), (5178, 47730), (6364, 38835), (6660, 37109), (7740, 31931), (7767, 31820), (7955, 31068), (8630, 28638), (9546, 25890), (10356, 23865), (12945, 19092), (14319, 17260), (15534, 15910)]