1285701720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{2467}}^1$

素因数の和:2625

約数の個数: 128

約数和(自身を含む): 3987498240

約数和(自身を除く): 2701796520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 101, 120, 129, 172, 202, 215, 258, 303, 344, 404, 430, 505, 516, 606, 645, 808, 860, 1010, 1032, 1212, 1290, 1515, 1720, 2020, 2424, 2467, 2580, 3030, 4040, 4343, 4934, 5160, 6060, 7401, 8686, 9868, 12120, 12335, 13029, 14802, 17372, 19736, 21715, 24670, 26058, 29604, 34744, 37005, 43430, 49340, 52116, 59208, 65145, 74010, 86860, 98680, 104232, 106081, 130290, 148020, 173720, 212162, 249167, 260580, 296040, 318243, 424324, 498334, 521160, 530405, 636486, 747501, 848648, 996668, 1060810, 1245835, 1272972, 1495002, 1591215, 1993336, 2121620, 2491670, 2545944, 2990004, 3182430, 3737505, 4243240, 4983340, 5980008, 6364860, 7475010, 9966680, 10714181, 12729720, 14950020, 21428362, 29900040, 32142543, 42856724, 53570905, 64285086, 85713448, 107141810, 128570172, 160712715, 214283620, 257140344, 321425430, 428567240, 642850860, 1285701720]

約数ペア:

[(1, 1285701720), (2, 642850860), (3, 428567240), (4, 321425430), (5, 257140344), (6, 214283620), (8, 160712715), (10, 128570172), (12, 107141810), (15, 85713448), (20, 64285086), (24, 53570905), (30, 42856724), (40, 32142543), (43, 29900040), (60, 21428362), (86, 14950020), (101, 12729720), (120, 10714181), (129, 9966680), (172, 7475010), (202, 6364860), (215, 5980008), (258, 4983340), (303, 4243240), (344, 3737505), (404, 3182430), (430, 2990004), (505, 2545944), (516, 2491670), (606, 2121620), (645, 1993336), (808, 1591215), (860, 1495002), (1010, 1272972), (1032, 1245835), (1212, 1060810), (1290, 996668), (1515, 848648), (1720, 747501), (2020, 636486), (2424, 530405), (2467, 521160), (2580, 498334), (3030, 424324), (4040, 318243), (4343, 296040), (4934, 260580), (5160, 249167), (6060, 212162), (7401, 173720), (8686, 148020), (9868, 130290), (12120, 106081), (12335, 104232), (13029, 98680), (14802, 86860), (17372, 74010), (19736, 65145), (21715, 59208), (24670, 52116), (26058, 49340), (29604, 43430), (34744, 37005)]