202478520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 624960000

約数和(自身を除く): 422481480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 139, 183, 199, 244, 278, 305, 366, 398, 417, 488, 556, 597, 610, 695, 732, 796, 834, 915, 995, 1112, 1194, 1220, 1390, 1464, 1592, 1668, 1830, 1990, 2085, 2388, 2440, 2780, 2985, 3336, 3660, 3980, 4170, 4776, 5560, 5970, 7320, 7960, 8340, 8479, 11940, 12139, 16680, 16958, 23880, 24278, 25437, 27661, 33916, 36417, 42395, 48556, 50874, 55322, 60695, 67832, 72834, 82983, 84790, 97112, 101748, 110644, 121390, 127185, 138305, 145668, 165966, 169580, 182085, 203496, 221288, 242780, 254370, 276610, 291336, 331932, 339160, 364170, 414915, 485560, 508740, 553220, 663864, 728340, 829830, 1017480, 1106440, 1456680, 1659660, 1687321, 3319320, 3374642, 5061963, 6749284, 8436605, 10123926, 13498568, 16873210, 20247852, 25309815, 33746420, 40495704, 50619630, 67492840, 101239260, 202478520]

約数ペア:

[(1, 202478520), (2, 101239260), (3, 67492840), (4, 50619630), (5, 40495704), (6, 33746420), (8, 25309815), (10, 20247852), (12, 16873210), (15, 13498568), (20, 10123926), (24, 8436605), (30, 6749284), (40, 5061963), (60, 3374642), (61, 3319320), (120, 1687321), (122, 1659660), (139, 1456680), (183, 1106440), (199, 1017480), (244, 829830), (278, 728340), (305, 663864), (366, 553220), (398, 508740), (417, 485560), (488, 414915), (556, 364170), (597, 339160), (610, 331932), (695, 291336), (732, 276610), (796, 254370), (834, 242780), (915, 221288), (995, 203496), (1112, 182085), (1194, 169580), (1220, 165966), (1390, 145668), (1464, 138305), (1592, 127185), (1668, 121390), (1830, 110644), (1990, 101748), (2085, 97112), (2388, 84790), (2440, 82983), (2780, 72834), (2985, 67832), (3336, 60695), (3660, 55322), (3980, 50874), (4170, 48556), (4776, 42395), (5560, 36417), (5970, 33916), (7320, 27661), (7960, 25437), (8340, 24278), (8479, 23880), (11940, 16958), (12139, 16680)]