1978547160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1\times {\mathrm{463}}^1$

素因数の和:865

約数の個数: 128

約数和(自身を含む): 6013440000

約数和(自身を除く): 4034892840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 239, 298, 447, 463, 478, 596, 717, 745, 894, 926, 956, 1192, 1195, 1389, 1434, 1490, 1788, 1852, 1912, 2235, 2315, 2390, 2778, 2868, 2980, 3576, 3585, 3704, 4470, 4630, 4780, 5556, 5736, 5960, 6945, 7170, 8940, 9260, 9560, 11112, 13890, 14340, 17880, 18520, 27780, 28680, 35611, 55560, 68987, 71222, 106833, 110657, 137974, 142444, 178055, 206961, 213666, 221314, 275948, 284888, 331971, 344935, 356110, 413922, 427332, 442628, 534165, 551896, 553285, 663942, 689870, 712220, 827844, 854664, 885256, 1034805, 1068330, 1106570, 1327884, 1379740, 1424440, 1655688, 1659855, 2069610, 2136660, 2213140, 2655768, 2759480, 3319710, 4139220, 4273320, 4426280, 6639420, 8278440, 13278840, 16487893, 32975786, 49463679, 65951572, 82439465, 98927358, 131903144, 164878930, 197854716, 247318395, 329757860, 395709432, 494636790, 659515720, 989273580, 1978547160]

約数ペア:

[(1, 1978547160), (2, 989273580), (3, 659515720), (4, 494636790), (5, 395709432), (6, 329757860), (8, 247318395), (10, 197854716), (12, 164878930), (15, 131903144), (20, 98927358), (24, 82439465), (30, 65951572), (40, 49463679), (60, 32975786), (120, 16487893), (149, 13278840), (239, 8278440), (298, 6639420), (447, 4426280), (463, 4273320), (478, 4139220), (596, 3319710), (717, 2759480), (745, 2655768), (894, 2213140), (926, 2136660), (956, 2069610), (1192, 1659855), (1195, 1655688), (1389, 1424440), (1434, 1379740), (1490, 1327884), (1788, 1106570), (1852, 1068330), (1912, 1034805), (2235, 885256), (2315, 854664), (2390, 827844), (2778, 712220), (2868, 689870), (2980, 663942), (3576, 553285), (3585, 551896), (3704, 534165), (4470, 442628), (4630, 427332), (4780, 413922), (5556, 356110), (5736, 344935), (5960, 331971), (6945, 284888), (7170, 275948), (8940, 221314), (9260, 213666), (9560, 206961), (11112, 178055), (13890, 142444), (14340, 137974), (17880, 110657), (18520, 106833), (27780, 71222), (28680, 68987), (35611, 55560)]