264400240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 699955200

約数和(自身を除く): 435554960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 59, 62, 65, 80, 104, 118, 124, 130, 139, 155, 208, 236, 248, 260, 278, 295, 310, 403, 472, 496, 520, 556, 590, 620, 695, 767, 806, 944, 1040, 1112, 1180, 1240, 1390, 1534, 1612, 1807, 1829, 2015, 2224, 2360, 2480, 2780, 3068, 3224, 3614, 3658, 3835, 4030, 4309, 4720, 5560, 6136, 6448, 7228, 7316, 7670, 8060, 8201, 8618, 9035, 9145, 11120, 12272, 14456, 14632, 15340, 16120, 16402, 17236, 18070, 18290, 21545, 23777, 28912, 29264, 30680, 32240, 32804, 34472, 36140, 36580, 41005, 43090, 47554, 56017, 61360, 65608, 68944, 72280, 73160, 82010, 86180, 95108, 106613, 112034, 118885, 131216, 144560, 146320, 164020, 172360, 190216, 213226, 224068, 237770, 254231, 280085, 328040, 344720, 380432, 426452, 448136, 475540, 508462, 533065, 560170, 656080, 852904, 896272, 951080, 1016924, 1066130, 1120340, 1271155, 1705808, 1902160, 2033848, 2132260, 2240680, 2542310, 3305003, 4067696, 4264520, 4481360, 5084620, 6610006, 8529040, 10169240, 13220012, 16525015, 20338480, 26440024, 33050030, 52880048, 66100060, 132200120, 264400240]

約数ペア:

[(1, 264400240), (2, 132200120), (4, 66100060), (5, 52880048), (8, 33050030), (10, 26440024), (13, 20338480), (16, 16525015), (20, 13220012), (26, 10169240), (31, 8529040), (40, 6610006), (52, 5084620), (59, 4481360), (62, 4264520), (65, 4067696), (80, 3305003), (104, 2542310), (118, 2240680), (124, 2132260), (130, 2033848), (139, 1902160), (155, 1705808), (208, 1271155), (236, 1120340), (248, 1066130), (260, 1016924), (278, 951080), (295, 896272), (310, 852904), (403, 656080), (472, 560170), (496, 533065), (520, 508462), (556, 475540), (590, 448136), (620, 426452), (695, 380432), (767, 344720), (806, 328040), (944, 280085), (1040, 254231), (1112, 237770), (1180, 224068), (1240, 213226), (1390, 190216), (1534, 172360), (1612, 164020), (1807, 146320), (1829, 144560), (2015, 131216), (2224, 118885), (2360, 112034), (2480, 106613), (2780, 95108), (3068, 86180), (3224, 82010), (3614, 73160), (3658, 72280), (3835, 68944), (4030, 65608), (4309, 61360), (4720, 56017), (5560, 47554), (6136, 43090), (6448, 41005), (7228, 36580), (7316, 36140), (7670, 34472), (8060, 32804), (8201, 32240), (8618, 30680), (9035, 29264), (9145, 28912), (11120, 23777), (12272, 21545), (14456, 18290), (14632, 18070), (15340, 17236), (16120, 16402)]