128900520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{51151}}^1$

素因数の和:51175

約数の個数: 96

約数和(自身を含む): 478782720

約数和(自身を除く): 349882200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 51151, 102302, 153453, 204604, 255755, 306906, 358057, 409208, 460359, 511510, 613812, 716114, 767265, 920718, 1023020, 1074171, 1227624, 1432228, 1534530, 1790285, 1841436, 2046040, 2148342, 2301795, 2864456, 3069060, 3222513, 3580570, 3682872, 4296684, 4603590, 5370855, 6138120, 6445026, 7161140, 8593368, 9207180, 10741710, 12890052, 14322280, 16112565, 18414360, 21483420, 25780104, 32225130, 42966840, 64450260, 128900520]

約数ペア:

[(1, 128900520), (2, 64450260), (3, 42966840), (4, 32225130), (5, 25780104), (6, 21483420), (7, 18414360), (8, 16112565), (9, 14322280), (10, 12890052), (12, 10741710), (14, 9207180), (15, 8593368), (18, 7161140), (20, 6445026), (21, 6138120), (24, 5370855), (28, 4603590), (30, 4296684), (35, 3682872), (36, 3580570), (40, 3222513), (42, 3069060), (45, 2864456), (56, 2301795), (60, 2148342), (63, 2046040), (70, 1841436), (72, 1790285), (84, 1534530), (90, 1432228), (105, 1227624), (120, 1074171), (126, 1023020), (140, 920718), (168, 767265), (180, 716114), (210, 613812), (252, 511510), (280, 460359), (315, 409208), (360, 358057), (420, 306906), (504, 255755), (630, 204604), (840, 153453), (1260, 102302), (2520, 51151)]