387960240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:755

約数の個数: 160

約数和(自身を含む): 1276704000

約数和(自身を除く): 888743760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 149, 152, 190, 228, 240, 285, 298, 304, 380, 447, 456, 570, 571, 596, 745, 760, 894, 912, 1140, 1142, 1192, 1490, 1520, 1713, 1788, 2235, 2280, 2284, 2384, 2831, 2855, 2980, 3426, 3576, 4470, 4560, 4568, 5662, 5710, 5960, 6852, 7152, 8493, 8565, 8940, 9136, 10849, 11324, 11420, 11920, 13704, 14155, 16986, 17130, 17880, 21698, 22648, 22840, 27408, 28310, 32547, 33972, 34260, 35760, 42465, 43396, 45296, 45680, 54245, 56620, 65094, 67944, 68520, 84930, 85079, 86792, 108490, 113240, 130188, 135888, 137040, 162735, 169860, 170158, 173584, 216980, 226480, 255237, 260376, 325470, 339720, 340316, 425395, 433960, 510474, 520752, 650940, 679440, 680632, 850790, 867920, 1020948, 1276185, 1301880, 1361264, 1616501, 1701580, 2041896, 2552370, 2603760, 3233002, 3403160, 4083792, 4849503, 5104740, 6466004, 6806320, 8082505, 9699006, 10209480, 12932008, 16165010, 19398012, 20418960, 24247515, 25864016, 32330020, 38796024, 48495030, 64660040, 77592048, 96990060, 129320080, 193980120, 387960240]

約数ペア:

[(1, 387960240), (2, 193980120), (3, 129320080), (4, 96990060), (5, 77592048), (6, 64660040), (8, 48495030), (10, 38796024), (12, 32330020), (15, 25864016), (16, 24247515), (19, 20418960), (20, 19398012), (24, 16165010), (30, 12932008), (38, 10209480), (40, 9699006), (48, 8082505), (57, 6806320), (60, 6466004), (76, 5104740), (80, 4849503), (95, 4083792), (114, 3403160), (120, 3233002), (149, 2603760), (152, 2552370), (190, 2041896), (228, 1701580), (240, 1616501), (285, 1361264), (298, 1301880), (304, 1276185), (380, 1020948), (447, 867920), (456, 850790), (570, 680632), (571, 679440), (596, 650940), (745, 520752), (760, 510474), (894, 433960), (912, 425395), (1140, 340316), (1142, 339720), (1192, 325470), (1490, 260376), (1520, 255237), (1713, 226480), (1788, 216980), (2235, 173584), (2280, 170158), (2284, 169860), (2384, 162735), (2831, 137040), (2855, 135888), (2980, 130188), (3426, 113240), (3576, 108490), (4470, 86792), (4560, 85079), (4568, 84930), (5662, 68520), (5710, 67944), (5960, 65094), (6852, 56620), (7152, 54245), (8493, 45680), (8565, 45296), (8940, 43396), (9136, 42465), (10849, 35760), (11324, 34260), (11420, 33972), (11920, 32547), (13704, 28310), (14155, 27408), (16986, 22840), (17130, 22648), (17880, 21698)]