690690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 128

約数和(自身を含む): 2322432

約数和(自身を除く): 1631742

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 23, 26, 30, 33, 35, 39, 42, 46, 55, 65, 66, 69, 70, 77, 78, 91, 105, 110, 115, 130, 138, 143, 154, 161, 165, 182, 195, 210, 230, 231, 253, 273, 286, 299, 322, 330, 345, 385, 390, 429, 455, 462, 483, 506, 546, 598, 690, 715, 759, 770, 805, 858, 897, 910, 966, 1001, 1155, 1265, 1365, 1430, 1495, 1518, 1610, 1771, 1794, 2002, 2093, 2145, 2310, 2415, 2530, 2730, 2990, 3003, 3289, 3542, 3795, 4186, 4290, 4485, 4830, 5005, 5313, 6006, 6279, 6578, 7590, 8855, 8970, 9867, 10010, 10465, 10626, 12558, 15015, 16445, 17710, 19734, 20930, 23023, 26565, 30030, 31395, 32890, 46046, 49335, 53130, 62790, 69069, 98670, 115115, 138138, 230230, 345345, 690690]

約数ペア:

[(1, 690690), (2, 345345), (3, 230230), (5, 138138), (6, 115115), (7, 98670), (10, 69069), (11, 62790), (13, 53130), (14, 49335), (15, 46046), (21, 32890), (22, 31395), (23, 30030), (26, 26565), (30, 23023), (33, 20930), (35, 19734), (39, 17710), (42, 16445), (46, 15015), (55, 12558), (65, 10626), (66, 10465), (69, 10010), (70, 9867), (77, 8970), (78, 8855), (91, 7590), (105, 6578), (110, 6279), (115, 6006), (130, 5313), (138, 5005), (143, 4830), (154, 4485), (161, 4290), (165, 4186), (182, 3795), (195, 3542), (210, 3289), (230, 3003), (231, 2990), (253, 2730), (273, 2530), (286, 2415), (299, 2310), (322, 2145), (330, 2093), (345, 2002), (385, 1794), (390, 1771), (429, 1610), (455, 1518), (462, 1495), (483, 1430), (506, 1365), (546, 1265), (598, 1155), (690, 1001), (715, 966), (759, 910), (770, 897), (805, 858)]