30778320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{499}}^1$

素因数の和:772

約数の個数: 80

約数和(自身を含む): 95976000

約数和(自身を除く): 65197680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 499, 514, 771, 998, 1028, 1285, 1497, 1542, 1996, 2056, 2495, 2570, 2994, 3084, 3855, 3992, 4112, 4990, 5140, 5988, 6168, 7485, 7710, 7984, 9980, 10280, 11976, 12336, 14970, 15420, 19960, 20560, 23952, 29940, 30840, 39920, 59880, 61680, 119760, 128243, 256486, 384729, 512972, 641215, 769458, 1025944, 1282430, 1538916, 1923645, 2051888, 2564860, 3077832, 3847290, 5129720, 6155664, 7694580, 10259440, 15389160, 30778320]

約数ペア:

[(1, 30778320), (2, 15389160), (3, 10259440), (4, 7694580), (5, 6155664), (6, 5129720), (8, 3847290), (10, 3077832), (12, 2564860), (15, 2051888), (16, 1923645), (20, 1538916), (24, 1282430), (30, 1025944), (40, 769458), (48, 641215), (60, 512972), (80, 384729), (120, 256486), (240, 128243), (257, 119760), (499, 61680), (514, 59880), (771, 39920), (998, 30840), (1028, 29940), (1285, 23952), (1497, 20560), (1542, 19960), (1996, 15420), (2056, 14970), (2495, 12336), (2570, 11976), (2994, 10280), (3084, 9980), (3855, 7984), (3992, 7710), (4112, 7485), (4990, 6168), (5140, 5988)]