257041530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3907}}^1$

素因数の和:3980

約数の個数: 96

約数和(自身を含む): 724261824

約数和(自身を除く): 467220294

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 43, 45, 51, 85, 86, 90, 102, 129, 153, 170, 215, 255, 258, 306, 387, 430, 510, 645, 731, 765, 774, 1290, 1462, 1530, 1935, 2193, 3655, 3870, 3907, 4386, 6579, 7310, 7814, 10965, 11721, 13158, 19535, 21930, 23442, 32895, 35163, 39070, 58605, 65790, 66419, 70326, 117210, 132838, 168001, 175815, 199257, 332095, 336002, 351630, 398514, 504003, 597771, 664190, 840005, 996285, 1008006, 1195542, 1512009, 1680010, 1992570, 2520015, 2856017, 2988855, 3024018, 5040030, 5712034, 5977710, 7560045, 8568051, 14280085, 15120090, 17136102, 25704153, 28560170, 42840255, 51408306, 85680510, 128520765, 257041530]

約数ペア:

[(1, 257041530), (2, 128520765), (3, 85680510), (5, 51408306), (6, 42840255), (9, 28560170), (10, 25704153), (15, 17136102), (17, 15120090), (18, 14280085), (30, 8568051), (34, 7560045), (43, 5977710), (45, 5712034), (51, 5040030), (85, 3024018), (86, 2988855), (90, 2856017), (102, 2520015), (129, 1992570), (153, 1680010), (170, 1512009), (215, 1195542), (255, 1008006), (258, 996285), (306, 840005), (387, 664190), (430, 597771), (510, 504003), (645, 398514), (731, 351630), (765, 336002), (774, 332095), (1290, 199257), (1462, 175815), (1530, 168001), (1935, 132838), (2193, 117210), (3655, 70326), (3870, 66419), (3907, 65790), (4386, 58605), (6579, 39070), (7310, 35163), (7814, 32895), (10965, 23442), (11721, 21930), (13158, 19535)]