138502440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{499}}^1$

素因数の和:776

約数の個数: 128

約数和(自身を含む): 464400000

約数和(自身を除く): 325897560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 257, 270, 360, 499, 514, 540, 771, 998, 1028, 1080, 1285, 1497, 1542, 1996, 2056, 2313, 2495, 2570, 2994, 3084, 3855, 3992, 4491, 4626, 4990, 5140, 5988, 6168, 6939, 7485, 7710, 8982, 9252, 9980, 10280, 11565, 11976, 13473, 13878, 14970, 15420, 17964, 18504, 19960, 22455, 23130, 26946, 27756, 29940, 30840, 34695, 35928, 44910, 46260, 53892, 55512, 59880, 67365, 69390, 89820, 92520, 107784, 128243, 134730, 138780, 179640, 256486, 269460, 277560, 384729, 512972, 538920, 641215, 769458, 1025944, 1154187, 1282430, 1538916, 1923645, 2308374, 2564860, 3077832, 3462561, 3847290, 4616748, 5129720, 5770935, 6925122, 7694580, 9233496, 11541870, 13850244, 15389160, 17312805, 23083740, 27700488, 34625610, 46167480, 69251220, 138502440]

約数ペア:

[(1, 138502440), (2, 69251220), (3, 46167480), (4, 34625610), (5, 27700488), (6, 23083740), (8, 17312805), (9, 15389160), (10, 13850244), (12, 11541870), (15, 9233496), (18, 7694580), (20, 6925122), (24, 5770935), (27, 5129720), (30, 4616748), (36, 3847290), (40, 3462561), (45, 3077832), (54, 2564860), (60, 2308374), (72, 1923645), (90, 1538916), (108, 1282430), (120, 1154187), (135, 1025944), (180, 769458), (216, 641215), (257, 538920), (270, 512972), (360, 384729), (499, 277560), (514, 269460), (540, 256486), (771, 179640), (998, 138780), (1028, 134730), (1080, 128243), (1285, 107784), (1497, 92520), (1542, 89820), (1996, 69390), (2056, 67365), (2313, 59880), (2495, 55512), (2570, 53892), (2994, 46260), (3084, 44910), (3855, 35928), (3992, 34695), (4491, 30840), (4626, 29940), (4990, 27756), (5140, 26946), (5988, 23130), (6168, 22455), (6939, 19960), (7485, 18504), (7710, 17964), (8982, 15420), (9252, 14970), (9980, 13878), (10280, 13473), (11565, 11976)]