1615705420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:600

約数の個数: 144

約数和(自身を含む): 4122468000

約数和(自身を除く): 2506762580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 139, 140, 145, 196, 203, 245, 278, 290, 406, 409, 490, 556, 580, 695, 812, 818, 973, 980, 1015, 1390, 1421, 1636, 1946, 2030, 2045, 2780, 2842, 2863, 3892, 4031, 4060, 4090, 4865, 5684, 5726, 6811, 7105, 8062, 8180, 9730, 11452, 11861, 13622, 14210, 14315, 16124, 19460, 20041, 20155, 23722, 27244, 28217, 28420, 28630, 34055, 40082, 40310, 47444, 56434, 56851, 57260, 59305, 68110, 80164, 80620, 83027, 100205, 112868, 113702, 118610, 136220, 141085, 166054, 197519, 200410, 227404, 237220, 282170, 284255, 332108, 395038, 397957, 400820, 415135, 564340, 568510, 581189, 790076, 795914, 830270, 987595, 1137020, 1162378, 1591828, 1648679, 1660540, 1975190, 1989785, 2324756, 2785699, 2905945, 3297358, 3950380, 3979570, 5571398, 5811890, 6594716, 7959140, 8243395, 11142796, 11540753, 11623780, 13928495, 16486790, 23081506, 27856990, 32973580, 46163012, 55713980, 57703765, 80785271, 115407530, 161570542, 230815060, 323141084, 403926355, 807852710, 1615705420]

約数ペア:

[(1, 1615705420), (2, 807852710), (4, 403926355), (5, 323141084), (7, 230815060), (10, 161570542), (14, 115407530), (20, 80785271), (28, 57703765), (29, 55713980), (35, 46163012), (49, 32973580), (58, 27856990), (70, 23081506), (98, 16486790), (116, 13928495), (139, 11623780), (140, 11540753), (145, 11142796), (196, 8243395), (203, 7959140), (245, 6594716), (278, 5811890), (290, 5571398), (406, 3979570), (409, 3950380), (490, 3297358), (556, 2905945), (580, 2785699), (695, 2324756), (812, 1989785), (818, 1975190), (973, 1660540), (980, 1648679), (1015, 1591828), (1390, 1162378), (1421, 1137020), (1636, 987595), (1946, 830270), (2030, 795914), (2045, 790076), (2780, 581189), (2842, 568510), (2863, 564340), (3892, 415135), (4031, 400820), (4060, 397957), (4090, 395038), (4865, 332108), (5684, 284255), (5726, 282170), (6811, 237220), (7105, 227404), (8062, 200410), (8180, 197519), (9730, 166054), (11452, 141085), (11861, 136220), (13622, 118610), (14210, 113702), (14315, 112868), (16124, 100205), (19460, 83027), (20041, 80620), (20155, 80164), (23722, 68110), (27244, 59305), (28217, 57260), (28420, 56851), (28630, 56434), (34055, 47444), (40082, 40310)]