189320640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1210

約数の個数: 112

約数和(自身を含む): 604723200

約数和(自身を除く): 415402560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 199, 240, 320, 398, 480, 597, 796, 960, 991, 995, 1194, 1592, 1982, 1990, 2388, 2973, 2985, 3184, 3964, 3980, 4776, 4955, 5946, 5970, 6368, 7928, 7960, 9552, 9910, 11892, 11940, 12736, 14865, 15856, 15920, 19104, 19820, 23784, 23880, 29730, 31712, 31840, 38208, 39640, 47568, 47760, 59460, 63424, 63680, 79280, 95136, 95520, 118920, 158560, 190272, 191040, 197209, 237840, 317120, 394418, 475680, 591627, 788836, 951360, 986045, 1183254, 1577672, 1972090, 2366508, 2958135, 3155344, 3944180, 4733016, 5916270, 6310688, 7888360, 9466032, 11832540, 12621376, 15776720, 18932064, 23665080, 31553440, 37864128, 47330160, 63106880, 94660320, 189320640]

約数ペア:

[(1, 189320640), (2, 94660320), (3, 63106880), (4, 47330160), (5, 37864128), (6, 31553440), (8, 23665080), (10, 18932064), (12, 15776720), (15, 12621376), (16, 11832540), (20, 9466032), (24, 7888360), (30, 6310688), (32, 5916270), (40, 4733016), (48, 3944180), (60, 3155344), (64, 2958135), (80, 2366508), (96, 1972090), (120, 1577672), (160, 1183254), (192, 986045), (199, 951360), (240, 788836), (320, 591627), (398, 475680), (480, 394418), (597, 317120), (796, 237840), (960, 197209), (991, 191040), (995, 190272), (1194, 158560), (1592, 118920), (1982, 95520), (1990, 95136), (2388, 79280), (2973, 63680), (2985, 63424), (3184, 59460), (3964, 47760), (3980, 47568), (4776, 39640), (4955, 38208), (5946, 31840), (5970, 31712), (6368, 29730), (7928, 23880), (7960, 23784), (9552, 19820), (9910, 19104), (11892, 15920), (11940, 15856), (12736, 14865)]