31839780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 106856064

約数和(自身を除く): 75016284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 43, 60, 70, 82, 84, 86, 105, 123, 129, 140, 164, 172, 205, 210, 215, 246, 258, 287, 301, 410, 420, 430, 492, 516, 574, 602, 615, 645, 820, 860, 861, 903, 1148, 1204, 1230, 1290, 1435, 1505, 1722, 1763, 1806, 1849, 2460, 2580, 2870, 3010, 3444, 3526, 3612, 3698, 4305, 4515, 5289, 5547, 5740, 6020, 7052, 7396, 8610, 8815, 9030, 9245, 10578, 11094, 12341, 12943, 17220, 17630, 18060, 18490, 21156, 22188, 24682, 25886, 26445, 27735, 35260, 36980, 37023, 38829, 49364, 51772, 52890, 55470, 61705, 64715, 74046, 75809, 77658, 105780, 110940, 123410, 129430, 148092, 151618, 155316, 185115, 194145, 227427, 246820, 258860, 303236, 370230, 379045, 388290, 454854, 530663, 740460, 758090, 776580, 909708, 1061326, 1137135, 1516180, 1591989, 2122652, 2274270, 2653315, 3183978, 4548540, 5306630, 6367956, 7959945, 10613260, 15919890, 31839780]

約数ペア:

[(1, 31839780), (2, 15919890), (3, 10613260), (4, 7959945), (5, 6367956), (6, 5306630), (7, 4548540), (10, 3183978), (12, 2653315), (14, 2274270), (15, 2122652), (20, 1591989), (21, 1516180), (28, 1137135), (30, 1061326), (35, 909708), (41, 776580), (42, 758090), (43, 740460), (60, 530663), (70, 454854), (82, 388290), (84, 379045), (86, 370230), (105, 303236), (123, 258860), (129, 246820), (140, 227427), (164, 194145), (172, 185115), (205, 155316), (210, 151618), (215, 148092), (246, 129430), (258, 123410), (287, 110940), (301, 105780), (410, 77658), (420, 75809), (430, 74046), (492, 64715), (516, 61705), (574, 55470), (602, 52890), (615, 51772), (645, 49364), (820, 38829), (860, 37023), (861, 36980), (903, 35260), (1148, 27735), (1204, 26445), (1230, 25886), (1290, 24682), (1435, 22188), (1505, 21156), (1722, 18490), (1763, 18060), (1806, 17630), (1849, 17220), (2460, 12943), (2580, 12341), (2870, 11094), (3010, 10578), (3444, 9245), (3526, 9030), (3612, 8815), (3698, 8610), (4305, 7396), (4515, 7052), (5289, 6020), (5547, 5740)]