169239720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:875

約数の個数: 128

約数和(自身を含む): 551053440

約数和(自身を除く): 381813720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 157, 195, 260, 312, 314, 390, 471, 520, 628, 691, 780, 785, 942, 1256, 1382, 1560, 1570, 1884, 2041, 2073, 2355, 2764, 3140, 3455, 3768, 4082, 4146, 4710, 5528, 6123, 6280, 6910, 8164, 8292, 8983, 9420, 10205, 10365, 12246, 13820, 16328, 16584, 17966, 18840, 20410, 20730, 24492, 26949, 27640, 30615, 35932, 40820, 41460, 44915, 48984, 53898, 61230, 71864, 81640, 82920, 89830, 107796, 108487, 122460, 134745, 179660, 215592, 216974, 244920, 269490, 325461, 359320, 433948, 538980, 542435, 650922, 867896, 1077960, 1084870, 1301844, 1410331, 1627305, 2169740, 2603688, 2820662, 3254610, 4230993, 4339480, 5641324, 6509220, 7051655, 8461986, 11282648, 13018440, 14103310, 16923972, 21154965, 28206620, 33847944, 42309930, 56413240, 84619860, 169239720]

約数ペア:

[(1, 169239720), (2, 84619860), (3, 56413240), (4, 42309930), (5, 33847944), (6, 28206620), (8, 21154965), (10, 16923972), (12, 14103310), (13, 13018440), (15, 11282648), (20, 8461986), (24, 7051655), (26, 6509220), (30, 5641324), (39, 4339480), (40, 4230993), (52, 3254610), (60, 2820662), (65, 2603688), (78, 2169740), (104, 1627305), (120, 1410331), (130, 1301844), (156, 1084870), (157, 1077960), (195, 867896), (260, 650922), (312, 542435), (314, 538980), (390, 433948), (471, 359320), (520, 325461), (628, 269490), (691, 244920), (780, 216974), (785, 215592), (942, 179660), (1256, 134745), (1382, 122460), (1560, 108487), (1570, 107796), (1884, 89830), (2041, 82920), (2073, 81640), (2355, 71864), (2764, 61230), (3140, 53898), (3455, 48984), (3768, 44915), (4082, 41460), (4146, 40820), (4710, 35932), (5528, 30615), (6123, 27640), (6280, 26949), (6910, 24492), (8164, 20730), (8292, 20410), (8983, 18840), (9420, 17966), (10205, 16584), (10365, 16328), (12246, 13820)]