138318720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1264

約数の個数: 128

約数和(自身を含む): 448498080

約数和(自身を除く): 310179360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 305, 320, 366, 384, 480, 488, 610, 640, 732, 915, 960, 976, 1181, 1220, 1464, 1830, 1920, 1952, 2362, 2440, 2928, 3543, 3660, 3904, 4724, 4880, 5856, 5905, 7086, 7320, 7808, 9448, 9760, 11712, 11810, 14172, 14640, 17715, 18896, 19520, 23424, 23620, 28344, 29280, 35430, 37792, 39040, 47240, 56688, 58560, 70860, 72041, 75584, 94480, 113376, 117120, 141720, 144082, 151168, 188960, 216123, 226752, 283440, 288164, 360205, 377920, 432246, 453504, 566880, 576328, 720410, 755840, 864492, 1080615, 1133760, 1152656, 1440820, 1728984, 2161230, 2267520, 2305312, 2881640, 3457968, 4322460, 4610624, 5763280, 6915936, 8644920, 9221248, 11526560, 13831872, 17289840, 23053120, 27663744, 34579680, 46106240, 69159360, 138318720]

約数ペア:

[(1, 138318720), (2, 69159360), (3, 46106240), (4, 34579680), (5, 27663744), (6, 23053120), (8, 17289840), (10, 13831872), (12, 11526560), (15, 9221248), (16, 8644920), (20, 6915936), (24, 5763280), (30, 4610624), (32, 4322460), (40, 3457968), (48, 2881640), (60, 2305312), (61, 2267520), (64, 2161230), (80, 1728984), (96, 1440820), (120, 1152656), (122, 1133760), (128, 1080615), (160, 864492), (183, 755840), (192, 720410), (240, 576328), (244, 566880), (305, 453504), (320, 432246), (366, 377920), (384, 360205), (480, 288164), (488, 283440), (610, 226752), (640, 216123), (732, 188960), (915, 151168), (960, 144082), (976, 141720), (1181, 117120), (1220, 113376), (1464, 94480), (1830, 75584), (1920, 72041), (1952, 70860), (2362, 58560), (2440, 56688), (2928, 47240), (3543, 39040), (3660, 37792), (3904, 35430), (4724, 29280), (4880, 28344), (5856, 23620), (5905, 23424), (7086, 19520), (7320, 18896), (7808, 17715), (9448, 14640), (9760, 14172), (11712, 11810)]