1291290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:84

約数の個数: 128

約数和(自身を含む): 4257792

約数和(自身を除く): 2966502

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 43, 55, 65, 66, 70, 77, 78, 86, 91, 105, 110, 129, 130, 143, 154, 165, 182, 195, 210, 215, 231, 258, 273, 286, 301, 330, 385, 390, 429, 430, 455, 462, 473, 546, 559, 602, 645, 715, 770, 858, 903, 910, 946, 1001, 1118, 1155, 1290, 1365, 1419, 1430, 1505, 1677, 1806, 2002, 2145, 2310, 2365, 2730, 2795, 2838, 3003, 3010, 3311, 3354, 3913, 4290, 4515, 4730, 5005, 5590, 6006, 6149, 6622, 7095, 7826, 8385, 9030, 9933, 10010, 11739, 12298, 14190, 15015, 16555, 16770, 18447, 19565, 19866, 23478, 30030, 30745, 33110, 36894, 39130, 43043, 49665, 58695, 61490, 86086, 92235, 99330, 117390, 129129, 184470, 215215, 258258, 430430, 645645, 1291290]

約数ペア:

[(1, 1291290), (2, 645645), (3, 430430), (5, 258258), (6, 215215), (7, 184470), (10, 129129), (11, 117390), (13, 99330), (14, 92235), (15, 86086), (21, 61490), (22, 58695), (26, 49665), (30, 43043), (33, 39130), (35, 36894), (39, 33110), (42, 30745), (43, 30030), (55, 23478), (65, 19866), (66, 19565), (70, 18447), (77, 16770), (78, 16555), (86, 15015), (91, 14190), (105, 12298), (110, 11739), (129, 10010), (130, 9933), (143, 9030), (154, 8385), (165, 7826), (182, 7095), (195, 6622), (210, 6149), (215, 6006), (231, 5590), (258, 5005), (273, 4730), (286, 4515), (301, 4290), (330, 3913), (385, 3354), (390, 3311), (429, 3010), (430, 3003), (455, 2838), (462, 2795), (473, 2730), (546, 2365), (559, 2310), (602, 2145), (645, 2002), (715, 1806), (770, 1677), (858, 1505), (903, 1430), (910, 1419), (946, 1365), (1001, 1290), (1118, 1155)]