240865040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{241}}^1$

素因数の和:329

約数の個数: 120

約数和(自身を含む): 625756824

約数和(自身を除く): 384891784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 241, 248, 260, 310, 403, 482, 496, 520, 620, 806, 961, 964, 1040, 1205, 1240, 1612, 1922, 1928, 2015, 2410, 2480, 3133, 3224, 3844, 3856, 4030, 4805, 4820, 6266, 6448, 7471, 7688, 8060, 9610, 9640, 12493, 12532, 14942, 15376, 15665, 16120, 19220, 19280, 24986, 25064, 29884, 31330, 32240, 37355, 38440, 49972, 50128, 59768, 62465, 62660, 74710, 76880, 97123, 99944, 119536, 124930, 125320, 149420, 194246, 199888, 231601, 249860, 250640, 298840, 388492, 463202, 485615, 499720, 597680, 776984, 926404, 971230, 999440, 1158005, 1553968, 1852808, 1942460, 2316010, 3010813, 3705616, 3884920, 4632020, 6021626, 7769840, 9264040, 12043252, 15054065, 18528080, 24086504, 30108130, 48173008, 60216260, 120432520, 240865040]

約数ペア:

[(1, 240865040), (2, 120432520), (4, 60216260), (5, 48173008), (8, 30108130), (10, 24086504), (13, 18528080), (16, 15054065), (20, 12043252), (26, 9264040), (31, 7769840), (40, 6021626), (52, 4632020), (62, 3884920), (65, 3705616), (80, 3010813), (104, 2316010), (124, 1942460), (130, 1852808), (155, 1553968), (208, 1158005), (241, 999440), (248, 971230), (260, 926404), (310, 776984), (403, 597680), (482, 499720), (496, 485615), (520, 463202), (620, 388492), (806, 298840), (961, 250640), (964, 249860), (1040, 231601), (1205, 199888), (1240, 194246), (1612, 149420), (1922, 125320), (1928, 124930), (2015, 119536), (2410, 99944), (2480, 97123), (3133, 76880), (3224, 74710), (3844, 62660), (3856, 62465), (4030, 59768), (4805, 50128), (4820, 49972), (6266, 38440), (6448, 37355), (7471, 32240), (7688, 31330), (8060, 29884), (9610, 25064), (9640, 24986), (12493, 19280), (12532, 19220), (14942, 16120), (15376, 15665)]