177990960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2075

約数の個数: 160

約数和(自身を含む): 642816000

約数和(自身を除く): 464825040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 53, 56, 60, 70, 80, 84, 105, 106, 112, 120, 140, 159, 168, 210, 212, 240, 265, 280, 318, 336, 371, 420, 424, 530, 560, 636, 742, 795, 840, 848, 1060, 1113, 1272, 1484, 1590, 1680, 1855, 1999, 2120, 2226, 2544, 2968, 3180, 3710, 3998, 4240, 4452, 5565, 5936, 5997, 6360, 7420, 7996, 8904, 9995, 11130, 11994, 12720, 13993, 14840, 15992, 17808, 19990, 22260, 23988, 27986, 29680, 29985, 31984, 39980, 41979, 44520, 47976, 55972, 59970, 69965, 79960, 83958, 89040, 95952, 105947, 111944, 119940, 139930, 159920, 167916, 209895, 211894, 223888, 239880, 279860, 317841, 335832, 419790, 423788, 479760, 529735, 559720, 635682, 671664, 741629, 839580, 847576, 1059470, 1119440, 1271364, 1483258, 1589205, 1679160, 1695152, 2118940, 2224887, 2542728, 2966516, 3178410, 3358320, 3708145, 4237880, 4449774, 5085456, 5933032, 6356820, 7416290, 8475760, 8899548, 11124435, 11866064, 12713640, 14832580, 17799096, 22248870, 25427280, 29665160, 35598192, 44497740, 59330320, 88995480, 177990960]

約数ペア:

[(1, 177990960), (2, 88995480), (3, 59330320), (4, 44497740), (5, 35598192), (6, 29665160), (7, 25427280), (8, 22248870), (10, 17799096), (12, 14832580), (14, 12713640), (15, 11866064), (16, 11124435), (20, 8899548), (21, 8475760), (24, 7416290), (28, 6356820), (30, 5933032), (35, 5085456), (40, 4449774), (42, 4237880), (48, 3708145), (53, 3358320), (56, 3178410), (60, 2966516), (70, 2542728), (80, 2224887), (84, 2118940), (105, 1695152), (106, 1679160), (112, 1589205), (120, 1483258), (140, 1271364), (159, 1119440), (168, 1059470), (210, 847576), (212, 839580), (240, 741629), (265, 671664), (280, 635682), (318, 559720), (336, 529735), (371, 479760), (420, 423788), (424, 419790), (530, 335832), (560, 317841), (636, 279860), (742, 239880), (795, 223888), (840, 211894), (848, 209895), (1060, 167916), (1113, 159920), (1272, 139930), (1484, 119940), (1590, 111944), (1680, 105947), (1855, 95952), (1999, 89040), (2120, 83958), (2226, 79960), (2544, 69965), (2968, 59970), (3180, 55972), (3710, 47976), (3998, 44520), (4240, 41979), (4452, 39980), (5565, 31984), (5936, 29985), (5997, 29680), (6360, 27986), (7420, 23988), (7996, 22260), (8904, 19990), (9995, 17808), (11130, 15992), (11994, 14840), (12720, 13993)]